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B1 متوسط انگلیسی 28:27 Educational

Behavior and Belief

Vsauce · 3,014,903 بازدید · اضافه شده 3 روز پیش

آمار یادگیری

B1

سطح CEFR

5/10

سختی

زیرنویس‌ها (604 بخش‌ها)

00:03

Hey, Mind Field! Vanessa here.

00:05

Just kidding. My name is actually Michael.

00:09

That part when I said that I was Vanessa...

00:11

that was a lie.

00:13

So you're welcome.

00:15

Humans love lies.

00:18

More precisely,

00:19

we love things that aren't entirely true--

00:22

because we have to.

00:23

It's often all we have.

00:25

Completely proving something can be difficult,

00:28

if not impossible.

00:30

So instead, we have the faith of the believer,

00:33

the confidence interval of the scientist.

00:36

What we think we know,

00:38

we really only believe we know.

00:42

On this episode of Mind Field, I'm going to take a look at

00:44

a kind of lie we tell ourselves.

00:47

And I'm going to use belief to turn a lie...into a truth.

00:55

( theme music playing )

01:09

Michael: If I'm going to harness the power of belief,

01:12

I need to find a good way to study belief and behavior.

01:15

So I'm paying a visit to UCLA's Dr. Aaron Blaisdell,

01:19

who I worked with on last season's

01:21

"Greater Good" Trolley Problem episode.

01:23

( train whistle blowing )

01:25

Dr. Blaisdell, great to see you again.

01:27

Nice to see you again, Michael.

01:29

Thank you for your help last season,

01:31

but I've got this new thing I want to look into.

01:34

I started thinking a lot about belief

01:36

and how we form them.

01:37

Specifically beliefs about what causes our behavior.

01:42

I want to be able to break it down

01:44

and just look at how people respond to the environment around them

01:47

and how it changes their belief.

01:48

Well, a Skinner Box is a great place to start.

01:51

because what I tell my students is,

01:54

a Skinner Box, for a psychologist like myself,

01:57

is like a test tube for a chemist.

01:59

Dr. Skinner, what are you doing with this pigeon?

02:01

I'm getting ready to demonstrate a fundamental principle of behavior.

02:05

Michael: Invented by Harvard psychologist B.F. Skinner,

02:08

a Skinner Box is a chamber in which animals

02:11

can be isolated and exposed to carefully controlled stimuli.

02:14

In one of his landmark experiments,

02:16

Skinner released food to pigeons in the boxes

02:19

at regular intervals.

02:20

What he found was that the pigeons seemed to believe

02:22

that whatever they happened to be doing

02:24

just before the food came

02:25

actually caused the food to appear,

02:28

and would then repeat that behavior over and over--

02:30

for example, hopping around or spinning in circles.

02:34

Skinner called this "superstitious behavior."

02:38

So what do you want to do-- what's your dream test?

02:42

Basically a replication of Skinner's superstitious experiment,

02:46

but instead of with pigeons, with people.

02:49

I would love to see: will people develop

02:51

their own sort of superstitious rituals or beliefs.

02:55

Have we done this with people before?

02:57

I don't think such a rigorous test of this has been done.

03:01

I think primarily, from the literature I know, it's pretty much pigeons.

03:09

B.F. Skinner's work showed that if you

03:12

regularly deliver a reward to a pigeon,

03:14

regardless of how it actually acts,

03:16

the pigeon won't figure that out.

03:18

Instead, the pigeon will develop superstitious behaviors

03:22

as if it thinks it is in control,

03:24

despite the lack of any evidence that it is.

03:27

But what about humans?

03:28

Watching people form new superstitions

03:31

might show us how beliefs are created, but here's the thing:

03:34

You can't just put a person in a Skinner Box.

03:37

People are quite clever, and so instead,

03:39

along with Dr. Aaron Blaisdell,

03:41

I have developed a much more elaborate ruse.

03:43

Welcome to Victory Vault.

03:47

03:50

Michael: "Victory Vault" is a fake game show we made up

03:54

to draw our unsuspecting subjects

03:56

into taking part in a human Skinner Box.

03:59

To accomplish this, we rented a sound stage

04:01

and constructed what appeared to be a game show set,

04:04

but was really our study.

04:06

We outfitted the room with a checkboard floor,

04:08

a button that serves no purpose,

04:11

multiple cameras and a live microphone,

04:13

all of which have absolutely no connection to winning the game.

04:17

We also included an ATM slot on the wall where, instead of food,

04:21

dollar bills would be fed into the room

04:23

at regular intervals.

04:25

Meanwhile, I would be playing the role

04:27

of the executive producer of this new game show

04:29

testing out the concept for a television network.

04:32

Our first subject is Rebecca.

04:34

Yes, I know nothing. I'm excited.

04:36

Excellent, excellent.

04:38

Well, I'll you some things that you need to know.

04:40

One, you will get to keep all of the money that you get today.

04:44

The object of the game is to collect as much money as possible.

04:48

- OK. ( laughs ) - Now, you will have ten minutes,

04:52

and that's all I'm going to tell you.

04:54

- Go. OK? - OK.

04:59

- Rebecca: OK. - Michael (over loudspeaker): All right, Rebecca, begin

05:04

in three, two, one, go!

05:10

Blaisdell: Of course, right to the button,

05:11

but she's not fixated on it,

05:13

she's definitely looking around there.

05:15

Rebecca: I'm trying to figure out

05:16

if there's, like, a puzzle, or what this is about.

05:19

Am I supposed to just get out?

05:21

No, not supposed to get out. OK.

05:26

Oh! OK, there's money. Is that one clue?

05:29

Rebecca: I've earned one dollar. ( laughs )

05:32

See? She's "earned" one dollar. Earned.

05:34

I mean, she thinks she caused it to happen.

05:37

Let's see. I think I might be onto something

05:40

- with this door, maybe? - Uh-huh.

05:42

- OK. - Blaisdell: The second dollar bill

05:45

came out really shortly after she manipulated the door.

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