How to make smart decisions more easily

1,604,707 views ・ 2023-11-30

TED-Ed


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翻译人员: Tianyun Liu 校对人员: Lexi Ding
00:08
In a 2011 study, researchers followed a group of judges
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在 2011 年的一项研究中, 研究人员跟踪调查了一组法官,
00:12
deciding whether or not to offer imprisoned individuals a chance at parole.
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这些法官有权决定 是否准许被监禁者假释。
00:18
Logically, one might expect things like an imprisoned person’s crime,
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从逻辑上讲,人们可能会认为 被监禁者的罪行、
00:22
existing sentence, and current behavior to be the primary considerations.
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现有刑期和当前表现之类的事情 是首要考虑因素。
00:27
But while those details were duly examined,
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但尽管那些细节被认真考虑了,
00:30
one variable had a remarkably large impact:
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还有一个变量影响显著,
00:35
the time of day.
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那便是时间。
00:38
Imprisoned people who met with the board in the morning
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早上被裁定的被监禁者
00:41
were far more likely to receive parole
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与下午的相比
00:43
than those whose cases were reviewed in the afternoon,
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更有可能获得假释,
00:47
even if their crimes and sentences were practically identical.
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即使他们的罪行和判决几乎相同。
00:51
This finding might seem strange, but the researchers’ explanation was simple:
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这一发现可能看起来很奇怪, 但研究人员的解释很简单:
00:57
in the afternoon, the judges were likely exhausted.
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在下午,法官可能感到疲惫,
01:01
Specifically, they were experiencing decision fatigue.
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具体地说,他们正在经历决策疲劳。
01:05
This kind of cognitive exhaustion occurs after a period of extended decision making
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这种认知疲劳通常发生在 长时间的决策过程之后,
01:10
and it can make people more impulsive and less confident while making choices.
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它会使人在做选择时 更加冲动、更不自信。
01:15
The dangers of decision fatigue are clear in high-stakes scenarios like this study,
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在假释裁决这样的高风险场景中, 决策疲劳的危险显而易见,
01:21
but it can have a serious impact on our day-to-day lives as well.
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但它也可能严重影响 我们的日常生活。
01:25
So what kinds of choices lead us to this state,
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那么,什么样的选择 会导致我们进入这种状态,
01:28
and what can we do to fight fatigue?
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我们能做些什么来对抗疲劳呢?
01:32
Everything our bodies do— whether physical or mental— uses energy.
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我们身体的一切行为, 无论身体上还是精神上,都消耗能量。
01:38
But while it’s unclear exactly what resources
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但在心理紧张的情况下,
01:40
are depleted during mental strain,
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究竟耗尽了哪些资源尚不清楚。
01:42
studies have found many individuals seem to have a daily threshold
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研究表明许多人似乎在做决定方面
01:47
for making decisions.
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有每日的阈值。
01:49
And once that threshold is met,
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一旦达到了阈值,
01:51
most people make the conscious choice to “take it easy”
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大多数人会有意选择“放轻松”,
01:54
and save serious thinking about any new decisions for another day.
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任何严肃思考和决策制定 都会留到第二天。
01:58
How quickly you reach this threshold depends on several variables,
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你达到这个阈值的速度 取决于几个变量,
02:03
including the frequency, complexity, and novelty of the decisions you have to make.
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包括决策的频率、复杂性和新颖性。
02:08
For example, choosing what to eat for breakfast isn't very taxing.
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例如,选择早餐吃什么不太伤脑筋。
02:12
Not only is this decision limited by what's available,
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不仅因为这个决定的可选项有限,
02:15
it's also a choice you expect to make once a day with fairly low stakes.
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还因为这个选择风险较低, 你每天都要做一次。
02:20
And even when you’re not quite sure what to eat,
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即使有时候你不太确定要吃什么,
02:23
the time between this minor decision and the next one
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这个小决定和下一个决定之间的时间
02:27
should give you ample room to recover whatever cognitive energy you expend.
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也足够你恢复消耗掉的认知能量。
02:32
But let’s imagine something much trickier.
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但是,让我们想象一些 更加棘手的情况。
02:35
For example, your car suddenly breaks down
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例如,你的汽车突然发生故障,
02:37
and you need to replace it right away.
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你需要立刻替换它。
02:40
This is an unexpected, complicated decision with serious consequences.
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这是一个意料之外的、复杂的决定, 并会带来严重的后果。
02:46
In this case, there are countless options to choose from,
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在这种情况下, 有无数个选项可供选择,
02:50
and you won't find them all in one place.
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而且它们也不在同一个地方。
02:53
To make the optimal choice,
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为了做出最佳选择,
02:55
you’ll need to do hours of thoughtful research
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你需要进行数小时的深思
02:58
to consider the various pros and cons.
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考虑各种优缺点。
03:01
And since this is a decision you don’t often make,
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而且,由于这不是你经常做的决定,
03:03
you’ll also have to identify what considerations are most important.
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你还必须确定哪些因素最重要。
03:08
The time pressure can add additional stress
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无论决策中还是决策后,
03:10
both during the decision-making process and afterward,
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时间压力也会带来额外的负担。
03:14
as you expend more energy wondering if you would have made
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因为你会花更多的精力思考, 如果你拥有更多的时间,
03:17
a different decision with more time.
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是否会做出不同的决定
03:22
After just a single decision of this magnitude,
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做了一个这么重大的决策之后,
03:25
most people would have already reached their decision-making threshold.
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大多数人就已经达到了决策阈值。
03:29
But in professions where individuals need to make multiple high-stakes decisions
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但是,在每天都需要做出
03:34
every day,
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多个高风险决定的行业中,
03:35
decision fatigue can be much more dangerous.
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决策疲劳可能会更加危险。
03:39
Judges, like those in the 2011 study,
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法官们,就像 2011 年 那项研究中的一样,
03:42
often encounter difficult decisions back-to-back,
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经常连续遇到艰难的决定,
03:45
with no time to recover.
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并且没有时间恢复。
03:48
Many researchers are especially concerned about decision fatigue in medicine.
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许多研究人员特别 担心医疗中的决策疲劳。
03:53
Doctors often work long shifts full of life-or-death decisions,
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医生们经常长时间工作, 且工作中的决策都生死攸关,
03:58
and some studies have found that medical workers
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一些研究发现,医务工作者
04:00
are much more likely to make critical mistakes
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在长时间轮班工作时
04:03
when working extended shifts.
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更容易犯严重错误。
04:06
Addressing these issues requires institutional changes,
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解决这些问题需要制度变革,
04:09
but there are much more direct ways most of us can avoid fatigue
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但是我们大多数人 可以采用更直接的方法
04:12
in our daily lives.
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来避免日常生活中的决策疲劳。
04:14
One simple strategy is to make fewer daily decisions,
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一个简单的策略是减少每天的决策,
04:18
tackling your to-do list over multiple days,
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分多天处理待办事项,
04:21
or even removing some rote decisions from your day altogether.
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甚至把一些机械化的决定 从你的一天里完全删除。
04:25
It’s also typically less draining to offer advice on a hard decision
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给一个艰难的决定提供建议
04:30
than it is to make that choice yourself.
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通常也比自己做出选择更省力。
04:33
So it can be helpful to imagine your decisions as someone else’s
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因此,在考虑决策的后果 对你的具体影响之前
04:37
before considering how the consequences impact you specifically.
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把你的决定想象成别人的 可能会有所帮助。
04:41
Finally, it's essential to remember that not every choice is equally important,
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最后,必须记住, 并非每个选择都同样重要,
04:47
and learning how to relax about the small stuff can help you save energy
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学习如何轻松对待小事
04:51
for the decisions that truly matter.
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能帮你为真正重要的决策节省精力。
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