2014年2月2日

Let It Go!





The snow glows white on the mountain tonight
Not a footprint to be seen
A kingdom of isolation, and it looks like I'm the Queen
The wind is howling like this swirling storm inside
Couldn't keep it in; Heaven knows I've tried
Don't let them in, don't let them see
Be the good girl you always have to be
Conceal, don't feel, don't let them know
Well now they know
Let it go, let it go
Can't hold it back any more
Let it go, let it go
Turn away and slam the door
I don't care what they're going to say
Let the storm rage on
The cold never bothered me anyway
It's funny how some distance
Makes everything seem small
And the fears that once controlled me
Can't get to me at all
It's time to see what I can do
To test the limits and break through
No right, no wrong, no rules for me,
I'm free!
Let it go, let it go
I am one with the wind and sky
Let it go, let it go
You'll never see me cry
Here I stand
And here I'll stay
Let the storm rage on
My power flurries through the air into the ground
My soul is spiraling in frozen fractals all around
And one thought crystallizes like an icy blast
I'm never going back, the past is in the past
Let it go, let it go
And I'll rise like the break of dawn
Let it go, let it go
That perfect girl is gone
Here I stand
In the light of day
Let the storm rage on
The cold never bothered me anyway!

2014年1月28日

19 Hard Things You Need To Do To Be Successful

http://www.businessinsider.com/hard-things-you-need-to-do-to-be-successful-2014-1


You have to do the hard things.

  • You have to make the call you’re afraid to make.
  • You have to get up earlier than you want to get up.
  • You have to give more than you get in return right away.
  • You have to care more about others than they care about you.
  • You have to fight when you are already injured, bloody, and sore.
  • You have to feel unsure and insecure when playing it safe seems smarter.
  • You have to lead when no one else is following you yet.
  • You have to invest in yourself even though no one else is.
  • You have to look like a fool while you’re looking for answers you don’t have.
  • You have to grind out the details when it’s easier to shrug them off.
  • You have to deliver results when making excuses is an option.
  • You have to search for your own explanations even when you’re told to accept the “facts.”
  • You have to make mistakes and look like an idiot.
  • You have to try and fail and try again.
  • You have to run faster even though you’re out of breath.
  • You have to be kind to people who have been cruel to you.
  • You have to meet deadlines that are unreasonable and deliver results that are unparalleled.
  • You have to be accountable for your actions even when things go wrong.
  • You have to keep moving towards where you want to be no matter what’s in front of you.
You have to do the hard things. The things that no one else is doing. The things that scare you. The things that make you wonder how much longer you can hold on.
Those are the things that define you. Those are the things that make the difference between living a life of mediocrity or outrageous success.
The hard things are the easiest things to avoid. To excuse away. To pretend like they don’t apply to you.
The simple truth about how ordinary people accomplish outrageous feats of success is that they do the hard things that smarter, wealthier, more qualified people don’t have the courage — or desperation — to do.
Do the hard things. You might be surprised at how amazing you really are.


Read more: http://danwaldschmidt.com/2014/01/attitude/hard-things#ixzz2rgcwKL9d


This post originally appeared at Edgy Conversations. Copyright 2014.

Read more: http://danwaldschmidt.com/2014/01/attitude/hard-things#ixzz2rgdRpW6m


2014年1月10日

Stanford research: The meaningful life is a road worth traveling

http://news.stanford.edu/news/2014/january/meaningful-happy-life-010114.html

A Stanford research project explored the key differences between lives of happiness and meaningfulness. While the two are similar, dramatic differences exist – and one should not underestimate the power of meaningfulness. "The quest for meaning is a key part of what makes us human," the researchers concluded.


While lives of meaningfulness and happiness overlap, they are distinctly different, according to Stanford research.
In a study published in the Journal of Positive Psychology, Jennifer Aaker of Stanford Graduate School of Business, along with colleagues, found answers about life in how people spend their time and what experiences they cultivate.
"Happiness was linked to being a taker rather than a giver, whereas meaningfulness went with being a giver rather than a taker," Aaker said.
The researchers surveyed 397 people over a month-long period, examining whether people thought their lives were meaningful or happy, as well as their choices, beliefs and values. They found five key differences between meaningfulness and happiness:
• Getting what you want and need: While satisfying desires was a reliable source of happiness, it had nothing to do with a sense of meaning. For example, healthy people are happier than sick people, but the lives of sick people do not lack meaning.
• Past, present and future: Happiness is about the present, and meaning is about linking the past, present and future. When people spend time thinking about the future or past, the more meaningful, and less happy, their lives become. On the other hand, if people think about the here and now, they are happier.
• Social life: Connections to other people are important both for meaning and happiness. But the nature of those relationships is how they differ. Deep relationships – such as family – increase meaning, while spending time with friends may increase happiness but had little effect on meaning. Time with loved ones involves hashing out problems or challenges, while time with friends may simply foster good feelings without much responsibility.
• Struggles and stresses: Highly meaningful lives encounter lots of negative events and issues, which can result in unhappiness. Raising children can be joyful but it is also connected to high stress – thus meaningfulness – and not always happiness. While the lack of stress may make one happier – like when people retire and no longer have the pressure of work demands – meaningfulness drops.
• Self and personal identity: If happiness is about getting what you want, then meaningfulness is about expressing and defining yourself. A life of meaning is more deeply tied to a valued sense of self and one's purpose in the larger context of life and community.
One can find meaning in life and be unhappy at the same time.
Aaker points out that this type of life has received less attention in the media, which has recently focused on how to cultivate the happy life.  Examples of highly meaningful, but not necessarily happy, lives may include nursing, social work or even activism.
The unhappy but meaningful life involves difficult undertakings and can be characterized by stress, struggle and challenges. However, while sometimes unhappy in the moment, these people – connected to a larger sense of purpose and value – make positive contributions to society.
Happiness without meaning is characterized by a relatively shallow and often self-oriented life, in which things go well, needs and desires are easily satisfied, and difficult or taxing entanglements are avoided, the report noted.
And so, the meaningful life guides actions from the past through the present to the future, giving one a sense of direction. It offers ways to value good and bad alike, and gives us justifications for our aspirations. From achieving our goals to regarding ourselves in a positive light, a life of meaningfulness is considerably different than mere happiness.
"People have strong inner desires that shape their lives with purpose and focus – qualities that ultimately make for a uniquely human experience," said Aaker.
The research team included Roy Baumeister at Florida State University, Kathleen Vohs at the University of Minnesota and Stanford doctoral student Emily Garbinsky.

2013年9月22日

10 Tips on How to Write Less Badly

http://m.chronicle.com/article/10-Tips-on-How-to-Write-Less/124268

10 Tips on How to Write Less Badly

By Michael C. Munger September 06, 2010
Brian Taylor
Most academics, including administrators, spend much of our time writing. But we aren't as good at it as we should be. I have never understood why our trade values, but rarely teaches, nonfiction writing.
In my nearly 30 years at universities, I have seen a lot of very talented people fail because they couldn't, or didn't, write. And some much less talented people (I see one in the mirror every morning) have done OK because they learned how to write.
It starts in graduate school. There is a real transformation, approaching an inversion, as people switch from taking courses to writing. Many of the graduate students who were stars in the classroom during the first two years—the people everyone admired and looked up to—suddenly aren't so stellar anymore. And a few of the marginal students—the ones who didn't care that much about pleasing the professors by reading every page of every assignment—are suddenly sending their own papers off to journals, getting published, and transforming themselves into professional scholars.
The difference is not complicated. It's writing.
Rachel Toor and other writers on these pages have talked about how hard it is to write well, and of course that's true. Fortunately, the standards of writing in most disciplines are so low that you don't need to write well. What I have tried to produce below are 10 tips on scholarly nonfiction writing that might help people write less badly.
1. Writing is an exercise. You get better and faster with practice. If you were going to run a marathon a year from now, would you wait for months and then run 26 miles cold? No, you would build up slowly, running most days. You might start on the flats and work up to more demanding and difficult terrain. To become a writer, write. Don't wait for that book manuscript or that monster external-review report to work on your writing.
2. Set goals based on output, not input. "I will work for three hours" is a delusion; "I will type three double-spaced pages" is a goal. After you write three pages, do something else. Prepare for class, teach, go to meetings, whatever. If later in the day you feel like writing some more, great. But if you don't, then at least you wrote something.
3. Find a voice; don't just "get published." James Buchanan won a Nobel in economics in 1986. One of the questions he asks job candidates is: "What are you writing that will be read 10 years from now? What about 100 years from now?" Someone once asked me that question, and it is pretty intimidating. And embarrassing, because most of us don't think that way. We focus on "getting published" as if it had nothing to do with writing about ideas or arguments. Paradoxically, if all you are trying to do is "get published," you may not publish very much. It's easier to write when you're interested in what you're writing about.
4. Give yourself time. Many smart people tell themselves pathetic lies like, "I do my best work at the last minute." Look: It's not true. No one works better under pressure. Sure, you are a smart person. But if you are writing about a profound problem, why would you think that you can make an important contribution off the top of your head in the middle of the night just before the conference?
Writers sit at their desks for hours, wrestling with ideas. They ask questions, talk with other smart people over drinks or dinner, go on long walks. And then write a whole bunch more. Don't worry that what you write is not very good and isn't immediately usable. You get ideas when you write; you don't just write down ideas.
The articles and books that will be read decades from now were written by men and women sitting at a desk and forcing themselves to translate profound ideas into words and then to let those words lead them to even more ideas. Writing can be magic, if you give yourself time, because you can produce in the mind of some other person, distant from you in space or even time, an image of the ideas that exist in only your mind at this one instant.
5. Everyone's unwritten work is brilliant. And the more unwritten it is, the more brilliant it is. We have all met those glib, intimidating graduate students or faculty members. They are at their most dangerous holding a beer in one hand and a cigarette in the other, in some bar or at an office party. They have all the answers. They can tell you just what they will write about, and how great it will be.
Years pass, and they still have the same pat, 200-word answer to "What are you working on?" It never changes, because they are not actually working on anything, except that one little act.
You, on the other hand, actually are working on something, and it keeps evolving. You don't like the section you just finished, and you are not sure what will happen next. When someone asks, "What are you working on?," you stumble, because it is hard to explain. The smug guy with the beer and the cigarette? He's a poseur and never actually writes anything. So he can practice his pat little answer endlessly, through hundreds of beers and thousands of cigarettes. Don't be fooled: You are the winner here. When you are actually writing, and working as hard as you should be if you want to succeed, you will feel inadequate, stupid, and tired. If you don't feel like that, then you aren't working hard enough.
6. Pick a puzzle. Portray, or even conceive, of your work as an answer to a puzzle. There are many interesting types of puzzles:
  • "X and Y start with same assumptions but reach opposing conclusions. How?"
  • "Here are three problems that all seem different. Surprisingly, all are the same problem, in disguise. I'll tell you why."
  • "Theory predicts [something]. But we observe [something else]. Is the theory wrong, or is there some other factor we have left out?"
Don't stick too closely to those formulas, but they are helpful in presenting your work to an audience, whether that audience is composed of listeners at a lecture or readers of an article.
7. Write, then squeeze the other things in. Put your writing ahead of your other work. I happen to be a "morning person," so I write early in the day. Then I spend the rest of my day teaching, having meetings, or doing paperwork. You may be a "night person" or something in between. Just make sure you get in the habit of reserving your most productive time for writing. Don't do it as an afterthought or tell yourself you will write when you get a big block of time. Squeeze the other things in; the writing comes first.
8. Not all of your thoughts are profound. Many people get frustrated because they can't get an analytical purchase on the big questions that interest them. Then they don't write at all. So start small. The wonderful thing is that you may find that you have traveled quite a long way up a mountain, just by keeping your head down and putting one writing foot ahead of the other for a long time. It is hard to refine your questions, define your terms precisely, or know just how your argument will work until you have actually written it all down.
9. Your most profound thoughts are often wrong. Or, at least, they are not completely correct. Precision in asking your question, or posing your puzzle, will not come easily if the question is hard.
I always laugh to myself when new graduate students think they know what they want to work on and what they will write about for their dissertations. Nearly all of the best scholars are profoundly changed by their experiences in doing research and writing about it. They learn by doing, and sometimes what they learn is that they were wrong.
10. Edit your work, over and over. Have other people look at it. One of the great advantages of academe is that we are mostly all in this together, and we all know the terrors of that blinking cursor on a blank background. Exchange papers with peers or a mentor, and when you are sick of your own writing, reciprocate by reading their work. You need to get over a fear of criticism or rejection. Nobody's first drafts are good. The difference between a successful scholar and a failure need not be better writing. It is often more editing.
If you have trouble writing, then you just haven't written enough. Writing lots of pages has always been pretty easy for me. I could never get a job being only a writer, though, because I still don't write well. But by thinking about these tips, and trying to follow them myself, I have gotten to the point where I can make writing work for me and my career.
Michael C. Munger is chairman of political science at Duke University, a position he has held since 2000.

2013年9月17日

The Habits Of Supremely Happy People

from :http://www.huffingtonpost.com/2013/09/16/happiness-habits-of-exuberant-human-beings_n_3909772.html

Martin Seligman, the father of positive psychology, theorizes that while 60 percent of happiness is determined by our genetics and environment, the remaining 40 percent is up to us.
In his 2004 Ted Talk, Seligman describes three different kinds of happy lives: The pleasant life, in which you fill your life with as many pleasures as you can, the life of engagement, where you find a life in your work, parenting, love and leisure and the meaningful life, which "consists of knowing what your highest strengths are, and using them to belong to and in the service of something larger than you are."
After exploring what accounts for ultimate satisfaction, Seligman says he was surprised. The pursuit of pleasure, research determined, has hardly any contribution to a lasting fulfillment. Instead, pleasure is "the whipped cream and the cherry" that adds a certain sweetness to satisfactory lives founded by the simultaneous pursuit of meaning and engagement.
And while it might sound like a big feat to to tackle great concepts like meaning and engagement (pleasure sounded much more doable), happy people have habits you can introduce into your everyday life that may add to the bigger picture of bliss. Joyful folk have certain inclinations that add to their pursuit of meaning -- and motivate them along the way.

They surround themselves with other happy people.
cosby show
Joy is contagious. Researchers of the Framingham Hear Study who investigated the spread of happiness over 20 years found that those who are surrounded by happy people “are more likely to become happy in the future.” This is reason enough to dump the Debbie Downers and spend more time with uplifting people.
They smile when they mean it.
Even if you’re not feeling so chipper, cultivating a happy thought -- and then smiling about it -- could up your happiness levels and make you more productive, according to a study published in the Academy of Management Journal. It’s important to be genuine with your grin: The study revealed that faking a smile while experiencing negative emotions could actually worsen your mood.
They cultivate resilience.
penny heads up
According to psychologist Peter Kramer, resilience, not happiness, is the opposite of depression: Happy people know how to bounce back from failure. Resilience is like a padding for the inevitable hardship human beings are bound to face. As the Japanese proverb goes, “Fall seven times and stand up eight.”
They try to be happy.
Yep -- it’s as simple as it sounds: just trying to be happy can boost your emotional well-being, according to two studies recently published in The Journal of Positive Psychology. Those who actively tried to feel happier in the studies reported the highest level of positive moods, making a case for thinking yourself happy.
They are mindful of the good.
It’s important to celebrate great, hard-earned accomplishments, but happy people give attention to their smaller victories, too. “When we take time to notice the things that go right -- it means we’re getting a lot of little rewards throughout the day,” Susan Weinschenk, Ph.D. told The Huffington Post in May. “That can help with our moods.” And, as Frank Ghinassi, Ph.D. explains, being mindful of the things that do go your way (even something as simple as the barista getting your coffee order right) can make you feel a greater sense of accomplishment throughout the day.
They appreciate simple pleasures.

A meticulously swirled ice cream cone. An boundlessly waggy dog. Happy people take the time to appreciate these easy-to-come-by pleasures. Finding meaning in the little things, and practicing gratitude for all that you do have is associated with a sense of overall gladness.
They devote some of their time to giving.
Even though there are only 24 hours in a day, positive people fill some of that time doing good for others, which in return, does some good for the do-gooders themselves. A long-term research project called Americans’ Changing Lives found a bevy of benefits associated with altruism: “Volunteer work was good for both mental and physical health. People of all ages who volunteered were happier and experienced better physical health and less depression,” reported Peggy Thoits, the leader of one of the studies.
Givers also experience what researchers call “the helper’s high,” a euphoric state experienced by those engaged in charitable acts. “This is probably a literal “high,” similar to a drug-induced high,” writes Christine L. Carter, Ph.D. “The act of making a financial donation triggers the reward center in our brains that is responsible for dopamine-mediated euphoria.”
They let themselves lose track of time. (And sometimes they can’t help it.)
doodling
When you’re immersed in an activity that is simultaneously challenging, invigorating and meaningful, you experience a joyful state called “flow.” Happy people seek this sensation of getting “caught up” or “carried away,” which diminishes self-consciousness and promotes the feelings associated with success. As explained by Pursuit-of-happiness.org, “In order for a Flow state to occur, you must see the activity as voluntary, enjoyable (intrinsically motivating), and it must require skill and be challenging (but not too challenging) with clear goals towards success.”
They nix the small talk for deeper conversation.
Nothing wrong with shootin' the you-know-what every now and then, but sitting down to talk about what makes you tick is a prime practice for feeling good about life. A study published in Psychological Science found that those who take part in more substantive conversation and less trivial chit chat experienced more feelings of satisfaction.
"I wish I'd had the courage to express my feelings," is one of the top five regrets of the dying -- a sentiment that hints at the fact that people wish they'd spent less time talking about the weather and more time delving into what it is that makes their heart swell.
They spend money on other people.
monty hall
Maybe money does buy happiness. A study published in Science found that spending money on other people has a more direct impact on happiness than spending money on oneself.
They make a point to listen.
"When you listen you open up your ability to take in more knowledge versus blocking the world with your words or your distracting thoughts," writes David Mezzapelle, author of Contagious Optimism. "You are also demonstrating confidence and respect for others. Knowledge and confidence is proof that you are secure and positive with yourself thus radiating positive energy." Good listening is a skill that strengthens relationships and leads to more satisfying experiences. A good listener may walk away from a conversation feeling as if their presence served a purpose, an experience that is closely connected with increased well-being.
They uphold in-person connections.
It’s quick and convenient to text, FaceTime and tweet at your buddies. But spending the money on a flight to see your favorite person across the country has weight when it comes to your well-being. "There's a deep need to have a sense of belonging that comes with having personal interactions with friends," says John Cacioppo, Ph.D., the director of the Center of Cognitive and Social Neuroscience at the University of Chicago. Social media, while it keeps us in touch, doesn't allow us to physically touch, which harvests the warm-and-fuzzies and even decreases feelings of anxiety.
They look on the bright side.

Optimism touts plenty of health benefits, including less stress, a better tolerance for pain and, as HuffPost Healthy Living recently reported, longevity among those with heart disease. When you choose to see the silver lining, you're also choosing health and happiness.
Seligman summed up perhaps the greatest characteristic of the optimist in one of his most acclaimed books, Learned Optimism:
The defining characteristic of pessimists is that they tend to believe bad events will last a long time, will undermine everything they do, and are their own fault. The optimists, who are confronted with the same hard knocks of this world, think about misfortune in the opposite way. They tend to believe defeat is just a temporary setback, that its causes are confined to this one case. The optimists believe defeat is not their fault: Circumstances, bad luck, or other people brought it about. Such people are unfazed by defeat. Confronted by a bad situation, they perceive it as a challenge and try harder.
They value a good mixtape.
118350080
Music is powerful. So powerful, in fact, that it could match up to the anxiety-reducing effects of massage therapy. Over a three month period, researchers from the Group Health Research Institute found that patients who simply listened to music had the same decreased anxiety symptoms as those who got 10 hour-long massages. Choosing the right tunes could be an important factor, however, as a happy or sad song can also affect the way we perceive the world. In one experiment where researchers asked subjects to identify happy or sad faces while listening to music, the participants were more likely to see the faces that matched the "mood" of the music. Click here for a few of our favorite mood-boosting jams.

They unplug.
Whether by meditating, taking a few deep breaths away from the screen or deliberately disconnecting from electronics, unplugging from our hyper-connected world has proven advantages when it comes to happiness. Talking on your cell could increase your blood pressure and raise your stress levels, while uninterrupted screen time has been linked to depression and fatigue. Technology isn't going away, but partaking in some kind of a digital detox gives your brain the opportunity to recharge and recover, which -- bonus -- could increase your resilience.
They get spiritual.
sun salutation
Studies point to a link between religious and spiritual practice and mirth. For one, happiness habits like expressing gratitude, compassion and charity are generally promoted in most spiritual conventions. And, asking the big questions helps to give our lives context and meaning. A 2009 study found that children who felt their lives had a purpose (which was promoted by a spiritual connection) were happier.
Spirituality offers what the 20th-century sociologist Emilie Durkheim referred to as "sacred time," which is a built-in, unplugging ritual that elicits moments of reflection and calm. As Ellen L. Idler, Ph.D., writes in "The Psychological and Physical Benefits of Spiritual/Religious Practices,":
The experience of sacred time provides a time apart from the “profane time” that we live most of our lives in. A daily period of meditation, a weekly practice of lighting Sabbath candles, or attending worship services, or an annual retreat in an isolated, quiet place of solitude all of these are examples of setting time apart from the rush of our everyday lives. Periods of rest and respite from work and the demands of daily life serve to reduce stress, a fundamental cause of chronic diseases that is still the primary causes of death in Western society. Transcendent spiritual and religious experiences have a positive, healing, restorative effect, especially if they are “built in,” so to speak, to one’s daily, weekly, seasonal, and annual cycles of living

They make exercise a priority.
A wise, albeit fictional Harvard Law School student once said, "Exercise gives you endorphins. Endorphins make you happy." Exercise has been shown to ease symptoms of depression, anxiety and stress, thanks to the the various brain chemicals that are released that amplify feelings of happiness and relaxation. Plus, working out makes us appreciate our bodies more. One study published in the Journal of Health Psychology found that exercise improved how people felt about their bodies -- even if they didn’t lose weight or achieve noticeable improvements.
They go outside.
Want to feel alive? Just a 20-minute dose of fresh air promotes a sense of vitality, according to several studies published in the Journal of Environmental Psychology. "Nature is fuel for the soul, " says Richard Ryan, Ph.D, the lead author of the studies. "Often when we feel depleted we reach for a cup of coffee, but research suggests a better way to get energized is to connect with nature." And while most of us like our coffee hot, we may prefer our serving of the great outdoors at a more lukewarm temperature: A study on weather and individual happiness unveiled 57 degrees to be the optimal temperature for optimal happiness.
They spend some time on the pillow.
177590254
Waking up on the wrong side of the bed isn't just a myth. When you're running low on zzs, you're prone to experience lack of clarity, bad moods and poor judgment. "A good night's sleep can really help a moody person decrease their anxiety," Dr. Raymonde Jean, director of sleep medicine and associate director of critical care at St. Luke’s-Roosevelt Hospital Center told Health.com. "You get more emotional stability with good sleep."
They LOL.
You've heard it before: Laughter is the best medicine. In the case of The Blues, this may hold some truth. A good, old-fashioned chuckle releases happy brain chemicals that, other than providing the exuberant buzz we seek, make humans better equipped to tolerate both pain and stress.
And you might be able to get away with counting a joke-swapping session as a workout (maybe). "The body's response to repetitive laughter is similar to the effect of repetitive exercise," explained Dr. Lee Berk, the lead researcher of a 2010 study focused on laughter's effects on the body. The same study found that some of the benefits associated with working out, like a healthy immune system, controlled appetite and improved cholesterol can also be achieved through laughter.

They walk the walk.

Ever notice your joyful friends have a certain spring in the step? It's all about the stride, according to research conducted by Sara Snodgrass, a psychologist from Florida Atlantic University.
In the experiment, Snodgrass asked participants to take a three-minute walk. Half of the walkers were told to take long strides while swinging their arms and holding their heads high. These walkers reported feeling happier after the stroll than the other group, who took short, shuffled steps as they watched their feet.
Also on HuffPost:
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2013年8月27日

葉丙成:修課如遊戲?台大電機這麼教!

from: http://pcyeh.blog.ntu.edu.tw/2013/01/10/%E4%BF%AE%E8%AA%B2%E5%A6%82%E9%81%8A%E6%88%B2%EF%BC%9F%E8%87%BA%E5%A4%A7%E9%9B%BB%E6%A9%9F%E9%80%99%E9%BA%BC%E6%95%99%EF%BC%81/

恩師的啟蒙

記得在二十三年前,我是建中小高一。剛開學時,聽說教我們數學的是邱顯義老師。在當時數學課本還是由國立編譯館的委員們編的。委員多是大學教授,邱老師是當中極少數的高中老師。能被如此名師教到,大家在第一堂數學課前都極其興奮、殷殷期待。
終於,第一堂數學課了。理著平頭不苟言笑的邱老師一進教室,同學都靜下來了。大家超想知道這位名師會怎麼教我們。沒想到老師的第一句話,就把我們都嚇到了。老師說:「我,不講課的。」大家都以為老師在開玩笑。莫非不苟言笑的他是冷面笑匠?老師又說了:「我不講課,上課只讓你們問問題。你們今天回去念第一章頭兩節。」
小高一們依然認為老師在開玩笑,臉上都是嬉笑的表情。但是隔天第二次上課,老師一上台就問:「大家對於這兩節有什麼問題?」想當然耳,沒人舉手。老師就這麼站在台上不講話,整整一節課。下課前老師又指定我們回家念的進度。第三次上課時,老師再次要大家問問題,依然沒人舉手。老師這時大概也受不了,就說:「你們都沒問題,那就換我問。問了答不出來的,就站到下課。」他開始一個個點名問,每個人都答不出來罰站了一整節課。這堂課之後,大家發現這傢伙是玩真的!為了不想被罰站,回家莫不好好念,上課踴躍發問。我是其中最積極發問的,也因此得到老師很多的指導跟啟發。
過了一兩個月開家長會,我母親回家說家長會砲聲隆隆。每位爸媽都在痛罵怎麼會有老師不教課的?到底在搞什麼?不過邱老師依然堅守自己原則,沒有一絲改變。說也奇怪,班上的數學段考成績都是全校第一、第二。後來這位不教課的老師,非常受我們的愛戴。老師在我們高二的時候退休,我提議訂製大型匾額送給老師。在老師最後一堂課,我跟同學把「杏壇清流」的大匾額抬出來送給老師。老師當時紅著眼眶的硬漢形象,至今歷歷在目。
困惑與蛻變
十二年後,我在密西根大學念博士當助教,開始了我的教學生涯。隨著之後在密大擔任講師、回台大電機系教書,時間匆匆的就過了十年。在這十年當中,我的教書理念所追求的是「把課講述的很清楚,讓學生聽得很有趣。」我一直在這樣的路上前進,在教學上也得到相當的快樂,在2010年也僥倖的拿到了教學傑出獎。但我常問自己,教書十年之後,我在教學上是否該有新的追求?
得獎後沒多久某天在上課的時候,我依然使盡渾身解數。大多數的同學都認真聽,可是還是有人打瞌睡。這給我很大的刺激。我回去一直想著,如果老師把課講的清楚有趣,可是還是有人不想聽。作為一個老師,是該安慰自己總是有人沒動機學習,笑笑就算了;還是該想辦法來改變這樣的狀況?
這個問題,讓我輾轉整夜難眠,忽而想起高中時的邱老師。老師當時也不講課,不苟言笑也不有趣,可是為什麼他讓我們那麼懷念?為什麼他能讓我們很多人都有學習的動機?想到高中恩師,心裡逐漸清楚接下來我該追求的是什麼。在教書十年之後,我的新理念,是要讓每位學生都能有學習動機!
設計與實踐
新的教學理念成形之後,這時候剛好開始要準備下個學期要教的電機系必修課「機率與統計」。該如何讓學生有學習動機呢?看著電視一堆XX online的線上遊戲廣告,我突然有了一個念頭:如果我把課程變成線上遊戲,那學生是不是就會比較有學習動機?現今的年輕世代,國外稱之為「數位世代」。這個世代的年輕人,遊戲已經變成是每個人生活的一部分。如果我能把課程跟遊戲結合的話,那他們應會更有學習動機。有了這個想法之後,我開始打造我們的線上遊戲網站。這當中多虧了我的研究生姜哲雄的幫忙,因此我取了我們兩人英文名字的首字母,將之命名為:BJ-Online!
BJ-Online 的遊戲,主要是建構在課程作業之上。有很多台大同學,習慣每學期修很多學分。在同時間應付很多課程時,學習方法往往會走偏(我曾針對這部份寫過一篇文章「回想我過去不堪回首的學習方式」,請參閱:http://goo.gl/C85CJ )。很多時候,作業不見得有時間好好寫。同學常會看作業的式子,再去比對是課本哪邊出來的,然後就只片段的看那部分後寫作業。另外也會有人參考坊間賣的習題解答。為了改變這些流弊,我的設計是:「我不出作業,讓學生自己出作業!」
上課的時候我教同學該怎麼設計題目。我教他們怎麼從課本中找到重要的元素後,如何將他們結合成一個好題目,再用文字把這些元素隱藏其中成為一個好的應用問題(題外話:很多台大學生很會證明,但是不大會處理應用題。因此我認為要讓大家多做應用題,以後做研究才能真正解決問題)。在教會他們出題之後,我把學生分成三人一組。每次教完一章後,就給大家三天的時間出題目。之後每組上傳自己設計的題目跟解答到BJ-Online。 為了避免出題組的題目或答案有瑕疵,我們的系統會在每組上傳自己設計的題目跟答案時,即時挑選其他三個組來review題目跟答案的正確性。唯有三組都accept的題目才能放上線,有任何一組reject的話,出題組都應該回去針對缺失revise題目後再上傳。這樣的設計,讓有瑕疵的題目數量,大幅減少。
出完題目之後,我們有一週的時間讓各組去攻破別人的題目。我們的系統會即時的讓大家看到各組攻破哪些組的戰況,如圖一所示。當同學看到別組陸陸續續攻破很多組題目時,他們就會有迫切感要趕快開始做作業。攻破越多題目,分數就會越高。在我們的地圖上就會跑的越快,領先別人越多,如圖二所示。
給學生出題,最大的困難在於老師跟助教怎麼批改這些學生設計的題目?我們設計了一個方式可以讓老師和助教們很輕鬆的處理批改的工作。每次當某組同學攻破一題並完成上傳答案的時候,BJ-Online系統會給他們看出題組的答案,看完後批改自己對或錯。另外系統也會即時通知出題組來批改對或錯。當攻題組跟出題組都覺得攻題組的答案是對的,或是都覺得是錯的時候,這時批改結果是沒有爭議的。只有在攻題組自覺是對而出題組認為是錯的時候,助教才需要出來仲裁爭議。依據過往的經驗,每次作業出現需要仲裁的情況相當少。因此批改的工作是相當的輕鬆的。
但是這樣的遊戲,最怕的是同學之間互相交換各組答案作弊。這該怎麼防止呢?我苦思許久,設計了一個算分的方法:每一題一千分,由解對的各組平分。我在上課的時候,跟同學說:「老師教你們怎麼作弊!」。我告訴他們,以第一組同學為例,他們可以拿他們解出來的三題,去跟第二組交換另外其他三題的答案。拿到第二組所解出的三題之後,第一組可以再拿第二組辛苦解出的那三題,分別去跟第三組、第四組、…去交換收集其他題目的答案。結果到最後,第一組拿了第二組解出來的那三題,去跟別人交易到了所有的題目答案。可是第二組他們辛苦解出來的那三題,卻因為很多組都有答案,而嚴重貶值。同學聽我說了,眼睛都睜大了!最後我問他們一句:「你們,真的都能相信你們的同學嗎?」

圖1:BJ-Online 即時戰報
圖2:BJ-Online 成績地圖
以賽局理論來說,這樣的遊戲只有兩個穩態,大家都不作弊跟大家都作弊。不過因為我刻意的告訴他們這樣的作弊方法。在大家都知道別人也知道可以這樣作弊的時候,大家反而會因為不敢相信別人而不敢作弊了。透過這樣的恐怖平衡,我們的賽局,就落在大家不作弊的穩態上!作弊的問題,就此解決了!
除了作業算分的特殊設計外,我們為了獎勵大家設計好的題目,我們系統還有投票功能讓大家票選設計最好的題目。故意刁難人的題目通常都不會受到青睞。被票選最高票的組,會得到數百分的獎勵。而投給設計最好的題目的這些組,也有樂透彩的方式讓他們得到額外的加分,獎勵他們對於題目的「好品味」。另外上課抽問也可透過BJ-Online隨機選組的功能來選人回答問題(這想法源自資工系林守德教授上課抽問同學的設計),答對的人也可以得到BJ-Online的獎勵分數。我還記得第一年用BJ-Online上課抽問同學時,有同學因為我按的太快,本來選到他們又跳過了變別組。他們因為沒被抽問到而跟我抱怨。居然有同學跟我抱怨上課抽問沒抽到他們!我聽了真是太高興了!
成果與分享
透過這個遊戲,學生的學習動機提昇了。除了遊戲本身的趣味性跟競爭性之外,傳統課程老師出題、批改的權力下放給學生,也是讓他們會提昇動機的主要原因之一。這跟現在素人節目「American Idols」、「星光大道」走紅的的原因是一樣的。以學生為主體的學習,會讓他們更有興趣與動機,這也就是我常說的「素人教學」。
另外因為分組的關係,同組的同學如果有人擺爛會影響整組的戰績。因此,同學們會互相提攜。也因此在使用了這個系統後,考試成績很明顯的標準差變小了,平均成績也提昇了。同學對於題目的品味也提昇了。圖三是我們林鼎棋、魏振宇、黃俊衡三位同學設計的題目。一個機率的題目可以把蘇格拉底跟柏拉圖對愛情的看法入題,這是多麼的令人驚艷!
另外其他同學設計的題目也都是超級有趣。每次作業出題期限到的時候(通常是半夜三點),我半夜在床上檢閱同學上傳的題目,動不動就狂笑不止。被我吵醒的太太,常常覺得我半夜不睡亂笑一通像個瘋子。這點流弊倒是我當初沒想過的。經過兩年,我們已經累積了兩百多題的經典機率題目。我跟同學說我們要來出版一本「台大電機機率銘題一百」。我很有信心出版後,大家一定會對同學們的創意設計激賞不已!
在過去兩年,我曾陸續將我的設計與電機系、數學系、物理系的老師分享, 目前也有老師用在他們自己的課程中。 我也曾與國外老師分享。美國萊斯大學電機系的Sabharwal教授就應用了我的設計在他的消息理論課程中。隔個學期,他很興奮的告訴我:「It was a big hit!」。有些老師的課可能不適合由學生出題,老師也可以改變方式,鼓勵學生自己從不同的教科書中找出他們覺得最好的題目,做出解答後上傳到系統給其他組做。我試過這種方式,結果同學們非常認真的遍覽群藉找好題目,效果很不錯!
為了讓其他老師可以方便使用,目前BJ-Onilne系統的設計是採取開放式的。如果台大老師有興趣使用這樣的系統,可以讓我知道。只要系統可以負荷的話,我很歡迎大家使用BJ-Online將自己的課程遊戲化。能夠幫助更多老師讓學生更有學習動機,這是我的夢想!
圖3:林鼎棋、魏振宇、黃俊衡3位同學機率題目設計成果
感動與感謝
在上個學期接近期末考週的時候,我在臉書看到一位同學所寫的動態。他說:「電子學快要考了,還有好多沒有念完,可是還是忍不住上去BJ-Online又多解了兩題機率。」
我看了這個臉書的動態,真是感動到眼淚快掉下來。 真的有同學像沉迷線上遊戲似的沉迷在機率課的學習!目前我們正在撰寫論文要投稿國際工程教育期刊,同時也在設計更多的遊戲特色,希望能讓同學覺得更好玩、更有趣。
回首這一切,都源自於我高中時碰到的那位極不平凡的老師。他即使不講課,也能讓我們學的好。是他啟發了我,在講課之外追尋更多的教學可能性。
邱顯義老師,謝謝您!

你為了什麼寫Code呢???

轉貼於http://studyhost.blogspot.tw/2013/08/code.html

你為了什麼寫Code呢???

在網路上看到一個小朋友提到最近看到一篇文章,講到的程式設計師的薪資。這位寫PHP的同學,發現自己可能領到的薪資相較於用其他技術的開發人員低,比較起來是倒數的,有些忿忿不平。

原始文章在這裡:
http://www.inside.com.tw/2013/08/23/average-income-per-programming-language

姑且不管上面這篇寫的到底對不對、這樣的統計數據有沒有道理,其實...我想說的完全是另一件事情。我想談談為何軟體業不賺錢,以及程式設計師的薪資問題。或者這麼說吧,你真心想在這個行業繼續奮鬥,卻又真的覺得自己薪水不夠想要高一些...OK,那你可以繼續看下去。

在台灣,在今天這個時代,若你只『專注於』寫程式,是不太可能賺到大錢的。可以溫飽、可以糊口、也可以集畢身積蓄買台重機...這都OK,但若你想買台北市的房子、或買買BMW、Benz玩玩,那可能就輪不到你了。年輕的時候,你也許會覺得無所謂,但到了一定的年紀之後(30,35歲),你會慢慢發現這似乎怎麼有點不太對...

也就是說,我們在研討會上跟大家說,寫程式要有愛,學技術要有愛,不然撐不久,這不是說著玩的,是認真的...老師在台上講、沒睡著的,就應當聽。

這一路以來,我們沒有轉行,不是因為覺得這行業可以幫我們賺到大錢、或是因為手上掌握了哪種關鍵的應用技術、還是在台上很風光、可以享受學員崇拜的眼神,或是在案子裡面可以呼風喚雨...從來都不是(因為都沒有)。

這一路以來,我們沒有轉行,是因為我們習慣了看世界的時候,用的是與世人不同的另一種角度;我們習慣了看到問題,就思考著如何可以第一時間找出答案;我們習慣了出現新的技術時,以朝聖的心情蒐集、整理、比較、分析、再消化吸收;我們習慣了會心這小小的社群裡面的人,才能理解的幽默。當然,碰到一些IT或3C阿宅希望我們幫忙解決一些電腦問題時,偶而也享受著這些不明就裡的外人,剎那間完全搞錯對象也搞錯方向的崇拜。(有統計指出,幾乎每一個Developer,都幫女生修過電腦...)

但為了賺大錢? 很抱歉,一直都不是,也從來沒機會。

我也曾經也有著不明白的時候,要知道,一個商業Developer的養成其實相當不容易。除了,必需學習的技術少說也數十種,大多數Developers在養成過程中,看過的專業書籍數以百計,而技術的變化或更新的速度我敢說是全球各種行業之冠,能夠在這樣的壓力下活下來的,就算不是把自己搞得拋家棄子,大概也是在年輕的時候肯定有過一段不為人知的苦讀歲月。這世界偶而會把不學無術的宅男跟Developer聯想在一起,但其實,這等級根本不可同日而語。

要知道,Developers,外表服裝看起來就算有點宅,但其實也深具內涵。不夠聰明的,絕對不可能成為優秀的Developer。沒有經歷過跟鍵盤螢幕奮戰的歲月,沒有閱讀過上百本專業書籍,是不可能成就一個專業Developer的。

既然要成為Developer那麼難,照這麼說,這個行業中的佼佼者一定都很賺囉???
NOT AT ALL! 應該說...一丁點都沒有!

前面說過,我以前也很不明白為什麼,但隨著年紀稍長,慢慢可以理出一些頭緒。

首先,你必須承認,大多數的Developer都不太喜歡賺錢,所以沒錢是挺有道理的。我小時候的管理學老師跟我說,你要先愛錢,才能賺到錢,我年輕的時候覺得這聽起來好市儈,但現在我明白了。

因為Developer愛技術,不愛錢。

這麼說吧,如果你跟Developer說,深夜一點半有一個30分鐘的線上英文轉播,由財經大師告訴你全球股市未來的趨勢,並且傳授你準確的投資標的與方向,我跟你打賭大部分的Developer的腦袋裡根本會忘記這件事情,更不用說晚上還爬起來看了。

但是,如果這是一場北美最新的技術研討會呢? 或是最新款手機新功能的發表會呢? 就完全不一樣了,不需要提醒,不用吆喝邀約,我不只一次在FB、Lync、Skype上和社群的朋友們一起準時地從家裡連線,收看即時現場的技術發表會轉播,即便在晚上一兩點,Developer還是能從床上爬起來看...這是熱情,是愛! 不是嗎? 除了 王建民 或 林書豪,還有誰能讓developer這樣呢?

以前我老闆說過一句名言,『別跟我說你很忙,你永遠有足夠的時間花在你熱愛的事物上』。所以我說,Developers愛技術,不愛錢。

而我那睿智的老闆,隨後又說了一句更重要的話:『你的時間在哪裡,你的成就就在哪裡。』Developer不花時間想想怎麼賺錢,怎麼會有錢呢?

但如果因為這樣,Developers注定就窮,倒也不是。因為你總是會找到那些年紀輕輕就賺了一大筆錢退休的年輕小夥子的創業例子,或是在某一家公司領了不少股票的資訊高手,不過你有沒有發現,這些故事,大多都不會發生在我們寶島台灣?

所以議題就轉變成了,為什麽台灣的Developer賺不到錢? 小時候我也不太懂,但隨著角色的轉變,我慢慢接受了,原因其實也很簡單。

你要知道,經濟學告訴我們,所有的獲利都建築在需求上。而需求的強弱,決定了 客戶付錢的可能性、付錢的乾脆程度、以及金額的多寡。客戶付錢的多寡則決定了你所在(或你所擁有)的公司的獲利,而你公司的獲利決定了你的(員工的)薪資。

我搞了大半輩子技術,才慢慢明白(接受),不是因為你很強,就表示你會有很高的薪水,這根本是兩碼子事。薪資其實跟你所在的公司、你所在的地點、你所在的國家,有著密不可分的關係。

記得,所謂的薪資,是你公司所能(所願意)把你留下來的最低成本。這個金額的高低,取決於:
1.你所在的公司賺不賺錢
2.你的市場競爭力好不好(你敢不敢離職)

你的公司越賺錢,你的公司就會越願意(越能夠負擔、也越有可能)花更多的錢把你留下,這樣,你的薪資相對而言就會比較高一些,如果你的公司不賺錢,即便你很優秀,你要加薪的機會也就低了。

而從你的角度來說,是相對的狀況,你越有市場價值、競爭力越高、跳槽到隔壁公司可以多談個一兩萬,你的薪資當然就高了,如果你不敢離職,不願意出去闖,不敢拚拚看,當然就維持原本的薪資好幾年不動。要知道現在不是很景氣,軟體業又是個弱需求,公司沒事幹嘛幫你加薪呢? (記得,所謂的薪資,是你公司所能把你留下來的最低成本。)

說到弱需求,可能很多技術人員不願意承認,但事實就是,很多軟體並非企業迫切需要的。甚至很多軟體根本是我們催眠企業,硬告訴他你有這個需要的。對於企業(或人)來說,沒有這個就不行的,這是強需求,沒有這個也不會怎樣的,就是弱需求。OK,那,這麼說吧,你寫過幾套軟體,是企業沒有用它就會倒閉的呢? 我看大多數人沒有。

所有的軟體廣告,大多都只會說,用了某軟體會提高企業競爭力(但誰算過有多少?) 或是用了可以降低成本(真的???) 或是用了這套軟體可以節省人力(但省下來的人要幹嘛呢? fire掉?) 總之,導入軟體所需要的成本先不說,導入後能不能有成效,其實還是個未知數,也因此,軟體在不景氣的時代,很明確的是個弱需求,弱爆了,比加了色素香料的麵包還要弱。(你可能會看到商業期刊上某些歌頌著某種軟體幫企業如何如何賺錢的...那肯定是行銷廣告無誤)

不能說全部,但大部分的軟體,都是弱需求。再加上,台灣是中小企業較多的狀況,所以軟體的需求相形之下就更弱,因為使用軟體的企業本身規模越小,就越難看到軟體的價值。導致開發軟體的專案公司在台灣削價競爭以求苟活,幾乎是沒有辦法的事情。這樣我們就不難理解,為何台灣的軟體業不容易賺錢。(所以也不難理解,為何Developers你的薪水並不高)。

請記得,如果你的公司不賺錢,你就不會賺錢。如果你公司的客戶不賺錢,你公司就不會賺錢。這樣,你明白了嗎? 你能力強不強,跟你會不會賺錢,有關,但不是只有這件事情有關。即便你是一個優秀的Developer,決定你賺不賺錢的因素還有很多,你選擇了哪一家公司,是一個最基本的重點。

想通了嗎? 你用什麽技術決定(暗示)了你們公司的客戶是誰 → 你們公司的客戶是誰決定了你們公司賺不賺錢 → 你們公司賺不賺錢決定了你的薪水高低 ... 這中間,其實大致上與你個人的強弱無關。

你說,可是我能選擇的公司不多耶,都是公司選我...那請你看完這篇文章,立刻跟我(或其他教育訓練中心)聯絡,我覺得你應該迫切需要進修。

如果你是Developer,又想賺錢,就把你的能力(特別是英文能力)培養好,然後(請注意這是重點),去找一家能夠付得起你高薪又會賺錢的公司,先擠進去,接著去證明你自己值得待在那裏。但...如果台灣沒有適合自己的呢?

前面說過,你的薪資跟你所在的公司、地區、國家...都有關。坦白說,我一直在台灣寫Code真的是因為這是我的興趣,而且我對這塊地有依戀。然而如果developer一心想賺大錢,學好語文,試著離開台灣出去走走,到新加坡、香港、美國、或中國,都可能會有更多的可能性或機會。也因此,到頭來,這其實是ㄧ種取捨...

在寫這篇文的同時,網路上傳來了Ballmer準備退休的消息,微軟因為他的準備退休,股票大漲了超過6%,有趣的是,新聞網站推估Ballmer自己可以因為這樣大賺,以鮑默持有3.3億股微軟股票計算,他瞬間增加8億美元(240億台幣)財富。

Develoeprs!Develoeprs!Develoeprs! 其實用喊的比你用當的來得賺!

王文華講過一句話:幸福像是自由,有些人是與生俱來的,有些人則要拚了命流血爭取.....我想,財富也是...

Developers與其想著錢途,不如去愛上你的Code。
但如果...不愛了呢? (下回再說)