[English]
Hello everyone, I am Guo Zhaofan
I am the co-founder of Plan C
Plan C is an institution that provides critical thinking education
We mainly train children
How to teach children to be more rational
Think more independently
Believe in some more reliable concepts
Then make better choices
Critical thinking sounds relatively abstract
Right
So today I want to show how it can help our lives
Let's talk about evaluation first
Have you ever been evaluated by others
Especially some negative comments
If so, you can applaud
It's very common, right
Then if someone says you are fat
How would you feel when you hear such comments
You may feel sad
Then it is normal for us to have some negative emotions
But what happens afterward
How do we view other people's evaluations of us
The first question we can think about
is whether this sentence is a fact or an opinion
The distinction between facts and opinions is a very basic ability of critical thinking
So what is a fact
For example, let's close this door
We say there are 200 people in this room today
Then this sentence is true
It may be true
It may be false
But we can count
There is a standard answer
But if there are 30 people here who are fat
You may have to think about whether it’s me
Because there is no standard answer to fatness or thinness
Let me do some small exercises first
You can shout out
Van Gogh is a great painter
Is it a fact or an opinion
Some people say it is a fact
Because you may think that Van Gogh's paintings are sold very expensive
And many museums regard them as treasures
But when we say great
it is still an opinion
Because people may have different ideas
Research finds that cats are smarter than dogs
Fact or opinion
Fact
Well, it’s a bit
Research finding
Although it is a research finding
But it is still an opinion
If you want to say it is a fact
What you may want to say is
Recently a specific study was done by the so-and-so team
What is the result of this study
Then this may be a fact
Now this statement is still an opinion
The invention of iPhone changed the whole world
This is also an opinion
Because what is called change
What is the whole world?
Even if you really feel that things are very different now
This is still an opinion
The Forbidden City is the most beautiful building in Beijing
Well, this seems not very controversial
So when faced with the comment that you are fat
You should first think about whether this is a fact or an opinion
As an opinion, you have to think further
Is the opinion credible?
What kind of opinion is more credible?
The key is what kind of factual evidence is behind it to support this opinion
For example, about the issue of fatness and thinness
I don’t know if you know the body mass index (BMI)
It is the weight in kilograms divided by the square of the height
For example
An 11-year-old girl
If she is 45kg
and 150cm
her BMI is 20
But for minors under 18 years old
it makes more sense to see how your BMI compares with others of the same age
For an 11-year-old
If we check the data from the Centers for Disease Control and Prevention in the United States
we will find that out of 100 people
she has a higher BMI than 79 people
Can this be said to be fat?
There is no standard answer, right
Some people may feel fat
Some people feel not fat
And what if
If you live in a country like the Tang Dynasty in ancient China
You will find that
you may have less pressure on your body
So in different societies and different cultures
and in the hearts of different people
In fact, people have no standard answer to the standards of fatness and thinness
If you treat that you are fat as a fact
you may have a very low self-esteem about yourself
You may think I'm really bad
We even see that many students have anxiety about appearance
Let's look at another point of view
Fat people are lazy and stupid
Gluttonous and unhealthy
Poor athletic ability
Then this is a point of view, right
So how do we view this point of view
People who may support this point of view think that
if you look at people who don’t exercise or are gluttonous
they may be more likely to gain weight
and fat people look clumsy.
Being fat seems to be more likely to cause health problems
Doctors also say so, right
But at this time
we actually ignored some facts
We showed a video to the students in class
Interviewed some people who looked fatter
Then these people will talk about their own situations
For example, someone said
I do 40 minutes of exercise every day
Then my favorite thing to eat is vegetable salad, etc.
When we ignore some of these facts
it is easy to ignore that there are many people who are born with a body prone to obesity
And some people who look fatter are actually very flexible
He may be a good dancer or athlete
And then there is
In fact, in 2013
There is a very influential research finding
It counts less than 100 various academic studies
The research subjects involved are nearly 3 million people
Then it was found that the BMI index is between 25-35
The so-called overweight and slightly obese people
His risk of death is actually lower than that of people like me with a BMI index below 25
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So there will be many such studies
In fact, some of our imaginations have been subverted
We think that fat people must be more unhealthy
Then there are some second and third grade students in our class
In fact, they will also be inspired by this critical thinking tool
In fact, there will be many simple views like this
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For example, some people are born fat due to the influence of genes
Being fat does not necessarily mean being lazy
The college bully in the class is also fat
This means that people's imagination of laziness may not necessarily be about sports
Maybe study or other efforts can also be a criterion for judgment
Or it can be judged based on life habits
This is the first way I want to share about thinking methods
About distinguishing between facts and opinions
When others evaluate you
Don't believe it easily
You can first ask whether it is a fact or an opinion
If it is an opinion
Is it credible
The key is what kind of factual evidence is behind it
To prove this opinion
What other facts have been ignored
Then next time you meet your parents or a teacher evaluating you
You can help them see these things
The second thing I want to talk about is about choices
Each of us will actually face many choices
And many conflicts between people are actually related to choices
For example, you may want to do this
But your parents want you to do other things
You want to go out and play
Your parents say you should do your homework first
You want to play video games for a while
Your parents say you should go outdoors
When people face these choices
Have you ever thought about how you make a choice
How often may your parents help you make the choice?
When you make your own choice
How many times do you actually make the same choice as others?
Have you carefully thought about your choice
When many people make a choice, the first thing they think of is
If there is a big benefit, I will do it
For example, this dog is really cute
So I want to raise a dog
Or there is a big disadvantage
So I won’t do it
For example, I don’t like this Chinese teacher
so I don’t want to learn Chinese
This is very common, right?
Do you have this situation where you don’t like the teacher
and don’t like learning this subject?
You can applaud
It’s very common, right
Then I think you have also read the book "Journey to the West"
Let me give an example from this book
Have you ever thought about such a question
If you were Sun Wukong
You were driven away by Tang Monk three times
The most famous one was after beating the White Bone Demon three times
Then will you give up the Buddhist scriptures and return to Huaguo Mountain
Can those who give up applaud
It takes courage to give up
It is not easy
So how do we think about such a choice
In fact, the first thing you can think about is
What are the advantages and disadvantages of this choice
The difficulty lies in whether you can think more comprehensively
For example, imagine that you are Sun Wukong
What you are thinking now
I am going back to Tang Monk
What are the disadvantages of this approach
What are its benefits
Let’s think about the benefits first
For example, you can protect Tang Monk
You can live up to the kindness of the master
You can also earn fame and future
He finally became the Fighting Victory Buddha
Can you think of any disadvantages?
Are there any disadvantages?
You may have to let go of some of your dignity.
A bit humble.
You also have to lose some of your personality.
Especially when you have to bear the pain of a tight curse
It is not only the pain caused to the body
In fact, it also causes the pain to people mentally
Then the second and more difficult one comes
There are good and bad
We may have reached a consensus just now to a certain extent
How would you choose among the three advantages and three disadvantages
The reason behind this is actually
There are differences in values between people.
For example, when you want to choose between love and future
you have to continue to learn from the experience
In fact, a question you need to continue to think about is
What is this future
Is this future what you really want
or is it something others tell you or are forced on you
We have students who will raise some questions.
For example, if you completely live in the discipline of others,
it is actually very unworthy.
Then when you want to go back to Huaguo Mountain,
you may want to choose personal dignity and freedom.
This seems to be very, very precious.
Then you also need to think about whether you will lose something.
For example, Maslow's needs theory may provide us with a framework.
It is said that human needs can be divided into five levels
The highest level among them
He thinks it is self-realization
When we give up something
Will we also lose some opportunities for self-realization
So we also have students
He will say this Sun Wukong
He used to have a very impatient and direct personality
which was actually difficult to get along with
So he became more approachable
He may have become better
But this is also a point of view
You can have different opinions
So we have to realize this
Any choice actually has trade-offs
You gain something
At the same time, you lose something
What we can further think about is
Is there a better choice between doing and not doing
For example, is it possible to pursue a future
but retain part of the personality
What personality is particularly worth retaining
How do we retain it
For example, if you are Sun Wukong
Do you want to have any kind of communication with Tang Seng
I don’t know if Tang Seng can communicate
What I just mentioned is the process of Sun Wukong’s selection
In fact, if we think about it carefully
it is actually a process of socialization of a person
So you may think Sun Wukong is very good
But think about it again today
If a person has experienced such a socialization
It’s like you are in school
Then you have to slowly abide by more and more rules
Some of your personality may have been slowly smoothed out
What can you retain during this process
What is the core
What do you particularly want to retain
This is something everyone can think about
Then what I just shared is the second thinking method
called weighing the pros and cons
When we face a choice
the most basic way of expressing it is
Should we do a certain thing
At this time you can think about it
The first step is to think about the advantages and disadvantages of this thing
The difficulty here is whether you can think about it comprehensively
The second step is more difficult
It’s about whether you understand
Whether you understand your own values
In other words, what are you willing to give up
What do you want more
Especially whether your values are what you really want
or are they shaped by the society
Or what your parents told you
The third step
is to think of some alternatives
Some better choices
Let me give you another example from life
How many cram schools do you attend a week
You can call a number
There are different numbers
Some people may not have it
Some people have more
Then who decides your cram schools
Is it completely decided by your parents
Or you also have your own opinion
which will be considered and adopted
How do you decide what kind of cram school you will attend
Many times it may be common that
your parents see a child of a top student attending a cram school
and think that cram school is good
I signed it up for you
Or maybe I heard a well-known blogger
recommend a cram school
so I signed it up for you
Is this a good choice?
When we face such a choice,
the first question we can think about
is what is my goal in doing this
Many times we tend to think of a short-term goal
For example, we may want to quickly improve our academic performance
But at this time we should also think about it
What is the long-term goal?
And besides grades,
are there any other very important goals?
For example, physical and mental health may be a very important goal.
That can lead to more comprehensive development over a longer period of time. What's more important is that we think
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whether this cram school is a good means
We can think about it from several aspects
The first one is effectiveness
Can you really achieve your goal by attending a cram school
Many times you will find that
a top student gets good grades after attending a cram school
But he may get better grades if he doesn't attend a cram school
Because academic masters often do not rely entirely on cram schools to learn
He may have very strong learning ability
So cram schools that are suitable for others may not be suitable for you
The second thing we have to consider is the negative side
Is whether attending cram schools will cause any new problems
For example, will it make you more stressed
You will have less time to sleep
Will it make you more tired of this subject
or damage your self-confidence
and make you learn worse
The third thing to consider is feasibility
Do you have time
Do you have money
The last one is necessity
Is there a better way
Is it really necessary to study?
After you ask these four questions
you may have a more complex
clearer thinking about this method
But you also need to think about whether there are other better ways
For example, self-study
Study with peers
This is the third thinking method I want to share
It's called goals and means
When faced with a choice
You can think about what my goal is
Is this goal reasonable
Is there any more important goal that I have forgotten
Is the means effective
Is there anything negative that creates new problems
Is it feasible
Is it necessary
And what are better means
What I want to talk about next is facing problems
Because each of us will definitely have various problems in our lives
For example, will your parents restrict you from eating sugar
Yes
You always want to eat more sugar but you will be restricted
You can applaud
Adults will also encounter this problem, right
My biggest crisis in middle age is sugar control
Then will you hear your parents telling you
You have poor self-control
Always thinking about eating sweets
Roald Dahl has a very famous book
called "Charlie and the Chocolate Factory"
It is about five children participating in a competition
The child who wins in the end
You can inherit a chocolate factory
As a result, two children were eliminated from the beginning
Why were they eliminated
Because they saw the candy
They couldn't walk when they saw the chocolate
Then they ate it up
They were very embarrassed
and were eliminated
I have loved eating candy since I was a child
And I always thought that I was not very fat
Then my teeth seemed to be fine
So it was okay to eat some sugar
Later I understood the harm of sugar better
For example, after sugar enters your body
it will actually go to your liver
It will stay in the liver and be converted into fat
These fats will enter your blood vessels
Then you will find
People who eat more sugar are more likely to get heart disease
Then they are more likely to get diabetes
Emotions are also prone to ups and downs like a roller coaster
And eating too much sugar can damage the brain
Why are people easily addicted to sweets
Here I will share with you an analysis method
You can look at internal factors and external factors
Analyze these two aspects
The self-control you mentioned earlier
is actually an internal factor of the person
Low self-control is indeed a common cause
Because children's brain development
especially the prefrontal lobe
is an area that controls people's impulses and is still very imperfect
Therefore, children's self-control is indeed lower
What's more, eating sugar is actually human's evolutionary instinct
Because in the long history, people
have discovered that they will be more excited after eating sugar
and happier
There are also children who need to develop quickly
and need a lot of energy
Eating sugar is the most direct way to replenish energy
Are there any external reasons?
See if these reasons are familiar to you
The first and most important thing is family education
How many families put sugar
For example, ice cream, candies, and chocolate are used as rewards
Can you applaud
For example, if you do well in the exam, I will take you to eat ice cream
If you finish your homework, I will give you a candy
Such a reward
actually associates candy with a happy experience
So many times you may want to eat candy more
There are also many families who reserve a lot of snacks
or do not restrict their children from eating sweets at all
Some parents go to the other extreme
and have very strict control
Do you really want to eat
The second one is about commercial companies
Have you had this experience
You go to the supermarket
You may not know what is inside a thing
But after looking at the package
you feel particularly attractive
You want to eat it
So the packaging is already attracting us
In addition, every food has a bliss point
which means that you will reach a peak of happiness after eating it
Then you will have the experience of wanting to eat more
So these commercial companies often invite a lot of scientists
Study what the peak value of a food is
So you will find that the peak value of children is higher than that of adults
So you will find
They will add a lot of sugar to the food that children like
Then we need to understand some businesses like this
Then there is social culture
For example, birthday parties are very common now
Sweets are very common during holidays
Then these will encourage everyone to love eating sweets
So why do we need to see these external reasons
It is very important to avoid making you blame yourself too much
If you always think that I have such poor self-control
You may feel very guilty
When you are in a lower mood
Instead, you want to eat sweets more
and then you enter a vicious cycle
Then if you better understand the traps of these products
These external reasons
you will be more vigilant
Furthermore, it can help you see some of your own needs
You will find that many times you may need some help
You need more communication with parents and teachers
This is the fourth thinking method I shared
We divide the causes into internal causes and external causes
Then you will look at the causes of the problem
Sometimes you use it to analyze some learning problems
When your parents always say that you have a bad attitude towards learning
You can realize
At this time, he is staring at your internal causes
But you may have overlooked some very important external factors
See external reasons
Don't blame individuals
Start with the reasons to find our true inner needs to help us
This method may be more useful to you
Our students have also used it to analyze our
Today's particularly popular problem of playing games
For example, his mother hopes that he will change his habit of being addicted to games.
The internal reason is that he really thinks video games are very interesting
It brings him a very happy experience
The external reason is that video games have a reward mechanism
so it will give him a sense of accomplishment
He thought that he could try to find a sense of accomplishment in learning
and other hobbies in the future
As for how to find a sense of accomplishment
This often requires parents and children
Let's work hard together
But if you simply ban games
it may not be as good as if we really cultivate more rich
and other hobbies that give you a better experience
The last topic I want to talk about is about watching short videos
Have you ever had such an experience
I can’t stop watching short videos
Those who have such an experience can applaud
Many times you really see a person lying on the sofa
After watching short videos for several hours
I just want to say one thing in particular
You are not allowed to watch anymore
Everyone is useless
Why do people become addicted to short videos
In fact, we can also use this question
Analyze internal factors and external factors using this method
But I still want to share another analysis method
which may also inspire you
It is called knowledge, ability, and wish
That is, we divide things into three levels
One is cognition
One is ability
The other is desire
For example, from a cognitive level
What we generally need to think about is
What kind of impact does watching short videos have on me
What is easy to think of is that watching short videos wastes time
and affects learning
There is also the possibility of hurting your eyes
This is easy to think of
Maybe you are not very clear about what it is
For example, watching short videos will actually change people’s brain
because in the process of watching short videos
It has a strong stimulation to your brain
It will make you secrete a lot of dopamine in a short period of time
This dopamine will make you feel very happy
But secreting a large amount of dopamine in a short period of time
will increase the threshold of happiness
So you will find that
In the past, you may be quite happy after watching one short video
Now you may have to watch 10 short videos to get similar happiness
And this process will also make you discover
when you want to read and learn
Because this activity is a process of slowly secreting dopamine
But the experience that reading it will bring to you
may be that you will get a higher sense of accomplishment in a longer period of time
So if you watch a lot of short videos
You may find that you have no patience to read
and reading seems to become very boring
Moreover, watching short videos will destroy your concentration
Because what you see is very fast information
Constant switching
It is very fragmented information
And it is difficult to form long-term memory
Because the mechanism of long-term memory is different from short-term memory
So you will find that you have been browsing for 3 hours
Can you still remember what you have viewed
It’s difficult, right
This is at the cognitive level
Then imagine that you may know it at the cognitive level
There are indeed many, many dangers of watching short videos
I really want to stop
But I can’t
This is a question of ability
For children
What I listed above may be that children have relatively weak self-control
We have mentioned before
Children's ability to perceive time is relatively weak
So you will find that adults may set an alarm clock
Or I realize it after a while
But the child may have been reading for several hours
without realizing that time has passed quickly.
Furthermore,
children's ability to regulate emotions may also be relatively weak
In addition to these own reasons
we have to see the problem of short video design
The characteristic of short video is
it will automatically play with infinite scrolling
and it is recommended by an algorithm
So it keeps pushing content that you are interested in
What's more, it will surprise you
Because you don't know what you will see next
This is a bit like opening a blind box
When you open the blind box
That moment of surprise
may be your greatest happiness that day
Then imagine that you can really control yourself
There is still a problem
It’s just that you may not want to stop
You just want to watch short videos
Why do people want to watch
There are some possibilities
Maybe your family is too strict
You especially want to confront your parents
Or maybe you are under great pressure
You need to release your stress through short videos
It is also possible that short videos are a kind of social currency
When your classmates are chatting about some topics
If you find me talking about a book with you
Others may roll their eyes
Feeling a bit unable to talk together
So there are some possible reasons
If you can think more comprehensively
Many times it can help us think of solutions better
Because many times when we face problems
we just think of banning
But if you can analyze the problem from the cause
you will find that
other methods may be more useful than banning
For example, if we don’t know the harm of short videos
then we may need to understand it
At this time, from the perspective of parents
It is not a reprimanding tone
It is not a preaching way to ask the children to understand
But we really care
and want to understand the world's technology
What kind of impact does it have on my own life
To understand it
In terms of ability
We can improve the ability to regulate emotions
There are some methods such as setting alarm clocks
There are also some design traps of short videos
Regarding the question of whether you are willing or not
Maybe instead of strict control
we can discuss some agreements with parents
Both parties have reached some consensus
The other is to reduce the pressure of learning
Cultivate deep hobbies
What about the end
For example, you can find more companions
Improve some social skills
You can try some of these solutions
This is the fifth thinking method I want to share
Called Zhi Neng Wish
Use this method to analyze the reasons
Start solving the problem from the cause
Our C plan course
Many children's courses are broadcast live online.
There are critical reading classes for children
There are writing and expression classes
There are also journalism classes for teenagers
On the right are our three main creators
It is a book written by me and the other two main creators
called "Learning to Think"
This is mainly for adults
It will talk more about the core methods of critical thinking
I don't have time to talk about the most core methods today
Today I just talked about a few of the methods in the book
Those are the 17-22 books we take our children to read every year
These books
We have discovered a phenomenon in the past two years
That is, there were many books and topics four years ago
Generally, children will be very interested
But today, four years later
For many children
Maybe their interest has really dropped a lot
This is also very, very helpless
These are some books from third to ninth grade to junior high school graduation
Finally, I want to talk about what critical thinking is
Critical thinking is actually a process that allows us to reflect and think
Then decide what I should believe
What should I do
Many times what we believe
is not actually our own careful thinking
independent thinking
but what our parents tell us
What society tells us
What the media tells us
We have become completely accustomed to it
That critical thinking requires us to be cautious and fair
Know how to question
Also know how to reflect
Pay attention to evidence
Especially the evidence of facts
Many times people have many doubts about critical thinking
For example, will it cultivate gangsters
Will it appear cold
Will it be unsociable
Will it make people become too serious
I will hear a lot of such doubts
But what I want to say is
Questioning is probably the most important characteristic of critical thinking
We call it reasonable questioning
But questioning is the starting point of thinking
not the end of thinking
Questioning is for better belief
So when you stop questioning
We are going to reflect on our way of thinking
We hope that all doubts will actually lead to
You are more interested in critical thinking
You want to know more
Think more
Finally, I would like to end today's speech with one sentence
Careful thinking and breaking of obstacles
Dialogue to build consensus
Thank you everyone