Luyện nói tiếng Anh bằng Shadowing qua video: The Strangest Things that Correlate with IQ

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When you think about IQ, you might think about scientists like Einstein,

or about nerds who'd rather read an academic paper than talk to another human being.

But I'm going to tell you about some of the strangest things that have been found to correlate with IQ,

including in our own giant IQ study involving over 3 ,000 people and in the work of other researchers.

So what is IQ?

Well, it's a standardized score that's designed to test cognitive ability, essentially what intelligence tasks measured in a lab have in common.

So if you give people a wide range of intelligence tasks, let's say logic puzzles, math,

spelling, vocabulary, and then you calculate a score that best predicts your performance at all of these different tasks, that's a measure of IQ.

It doesn't necessarily predict how good you are socially or morally

or whether you're good at the sort of things that hunter -gatherers tended to be good at.

Now as we all know, a formless void serves the mechanics of destiny and interdependence is an unparalleled element of all experience.

But what I just said is total pseudo -profound bullshit.

And fascinatingly, in our study, when we gave people statements like these and asked them to rate how profound they are,

higher IQ people tend to rate them as less profound.

In other words, they seemed better at calling out bullshit.

Perhaps this is because people with higher IQs are less likely to assume

that just because they don't understand something that it's actually meaningful.

If you watch intellectuals on podcasts, you'll actually see this quite a bit.

They'll say something that sounds profound, but doesn't really have any meaning.

And the audience, not understanding it, assumes that it must be really deep and gives them the benefit of the doubt.

When you hear things like this, I recommend deep diving and saying, well, what does this mean really?

As the second child born in my family, I find this next one especially interesting.

IQ is actually associated with being the firstborn child.

It's debated why this is, but one theory is that it has to do with parental investment.

If you only have one child, you can devote more time to raising them.

And time -use surveys suggest that this might actually be the case, that parents put more time into raising their firstborn child.

So perhaps this extra parental investment leads a child to have higher IQ over time.

We're not talking about a huge difference here, we're just talking about a few IQ points, but it's interesting that there's a difference at all.

Next, I want to tell you about one of the funniest correlations we found in our giant study of IQ.

Who do you think has higher IQs on average?

People who believe they can figure out solutions to societal problems, or people who believe they can't figure out solutions to societal problems?

Well, it turns out in our study, people who believe they can't figure out solutions to societal problems actually tended to have higher IQs,

perhaps because they were more aware of how incredibly difficult it is to figure out those kinds of solutions.

You might think that the explanation for this is the Dunning -Kruger effect.

People sometimes mistakenly think that the Dunning -Kruger effect is that lower -skilled people think that they're better than higher -skilled people,

but that's actually not what it is.

The Dunning -Kruger effect says that lower -skilled people tend to overestimate their ability,

not that they tend to think their ability is higher than higher -skilled people.

So this is different than the Dunning -Kruger effect.

There's a stereotype that nerdy people are more intelligent and more likely to wear glasses.

And many people believe that wearing glasses gives you an air of being intelligent.

Fascinatingly though, when a study tested this idea by showing faces of people either with glasses or without,

people did not perceive them as being more intelligent when they had glasses.

But, perhaps surprisingly, there actually is a link between IQ and nearsightedness.

In other words, people who wear glasses probably are a little bit higher IQ on average.

Why on earth would there be a link between IQ and nearsightedness though?

Well, there's a couple different theories.

One theory is that nearsightedness is actually linked to the amount of light exposure you get when you're young.

So if higher IQ children are more likely to stay indoors rather than spending outdoor time playing,

this could actually possibly explain why they tend to be more nearsighted.

Another theory is that nearsightedness is linked to close -up work such as reading or studying.

If that's the case, that could also help explain why higher IQ children tend to be more nearsighted.

So far, the correlations we've talked about might be interesting, but they're not useful.

So are there useful IQ correlations that can help us guide how to live our lives?

Well, there are actual useful IQ links that can guide our choices.

One is toxins, such as lead poisoning, especially in children, which have been linked to lower IQs.

Two, sleep apnea.

If you wake up not feeling rested and you snore really loudly,

you may want to get checked out by a doctor because sleep apnea is actually treatable.

Three is high blood pressure especially as an older adult.

High blood pressure is linked to a reduction in IQ over time.

The fourth perhaps most surprisingly is adult hearing loss.

When older adults lose their hearing it tends to precede reductions in IQ.

We don't know for sure that it's causal

but I think it's worth being aware of and treating your hearing loss is good for other reasons as well.

There's also the other category, which are positive choices that are linked to higher IQ.

That includes getting proper nutrition, especially as a child.

It also includes boring but incredibly important things like having a healthy diet and exercising regularly.

As a caveat here, we can't always be certain about the causal role that these things play.

For instance, it's known that worse childhood nutrition is linked to lower IQ, but that could be because of other factors.

Like maybe childhood poverty is linked both to worse nutrition and to lower IQ.

All of that being said, I think for a number of these, we have pretty good reason to think that there is a causal role,

especially things like head trauma and high blood pressure.

However, the most important thing to know about cognitive ability, in my opinion, is

that you can get better at absolutely any task you choose simply by practicing it and getting good feedback.

You don't need to improve your IQ in order to get better at anything you care about.

Someone who's diligently studied math for 10 years is absolutely going

to blow out of the water at math someone who has 10 IQ points higher who hasn't studied math at all.

What about beliefs?

Are there any interesting correlations between IQ and what people believe?

Well, fascinatingly, higher IQ people tend to be less religious.

It's not known why this is.

There's different theories.

Most people in the world are born into a religion and most people stay with whatever religion they're born into.

So it's possible that what's going on here is

that higher IQ people are simply more likely to question whatever belief system they're born into.

It's also interesting that higher IQ people tend to be more likely to support the free speech of people they disagree with.

Even if they oppose what a group stands for, whether it's Christian fundamentalists or neo -Nazis,

they're more likely to express support for that group being able to express their opinions, hold public demonstrations, and be involved in public debates.

what about things that you'd expect to be correlated with iq

but actually aren't well one of the strangest is that you think

that people with higher iqs would tend to be happier

because they tend to be wealthier they tend to be better at getting certain types of jobs

and in theory they should be able to problem solve better in their lives

but in fact there is no link between iq and life satisfaction

or happiness this is a genuine mystery that nobody has really resolved.

If IQ is about being able to use your mind to effectively achieve goals,

then why does it fail at getting people the thing that almost everyone wants?

But this shows very clearly that IQ is very far from giving you everything you want in life.

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It doesn't even give you happiness.

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A lot of people also expect that IQ is linked to conscientiousness or diligence or hard work or being organized.

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But actually, studies tend to find that has either no correlation or a very small negative correlation.

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It might be the case that people who are more conscientious tend to seem smarter.

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Maybe they're more diligent about studying.

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Maybe they have more knowledge.

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Maybe they're more likely to stay in school, but they don't actually have higher IQs.

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Those that say IQ is meaningless are actually just scientifically wrong.

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It predicts lots of interesting things, but IQ is also very far from everything that matters it can't even predict how happy you are.

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If you're interested in using psychology to improve your life, I'd love it if you check out my new book, The 12 Levers.

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My co -author and I deep dive on over 100 self -improvement books and over 20 types of therapy.

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And every time they give a method or technique, we extracted it.

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And through analyzing that, we came to a surprising conclusion.

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There are only 12 main psychological strategies you can use to improve your life.

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And in the book, The 12

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Lovers, we teach you what those strategies are and how to use them.

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You can buy it now at 12loversbook .com.

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Subscribe to this channel for more deep dives on psychology every week.

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Từ vựng và ghi chú luyện nói cho bài học này

Bài luyện nói này dựa trên video “The Strangest Things that Correlate with IQ”. Những từ được nhắc lại nhiều nhất trong bài: higher, tend, linked, likely. Video này có 117 câu và 1672 từ để luyện shadowing. Phần lời nói dài 8:41. Người nói nói nhanh, khoảng 193 từ mỗi phút, nên sẽ có nhiều chỗ nối âm và nuốt âm. 83% số từ nằm trong 3.000 từ tiếng Anh thông dụng nhất; phần còn lại nên xem trước khi luyện.

Từ vựng quan trọng trong video

15 từ đáng học trong video, kèm phiên âm và nghĩa:

Từ	Phiên âm	Nghĩa
math danh từ	/mæθ/	toán, toán học
predict động từ	/pɹɪˈdɪkt/	dự báo
intelligent tính từ	/ɪnˈtɛlɪd͡ʒənt/	thông minh
dive động từ	/daɪv/	lặn
nutrition danh từ	/njuːˈtɹɪʃ.ən/	sự dinh dưỡng, dinh dưỡng
happiness danh từ	/ˈhæpinɪs/	hạnh phúc
incredibly trạng từ	/ɪŋˈkɹɛdɪbli/	khó tin nổi
psychology danh từ	/saɪˈkɑ.lə.d͡ʒi/	tâm lý học
surprisingly trạng từ	/səˈpɹaɪzɪŋli/	không ngờ
technique danh từ	/tɛkˈniːk/	kỹ thuật, kĩ thuật
element danh từ	/ˈɛləmənt/	yếu tố
poverty danh từ	/ˈpɑːvɚti/	sự nghèo nàn
mystery danh từ	/ˈmɪs.t(ə.)ɹi/	bí ẩn, huyền bí
solve động từ	/sɒlv/	giải quyết
conclusion danh từ	/kənˈkluːʒən/	kết thúc

Cụm động từ bạn sẽ nghe

Từ	Phiên âm	Nghĩa
check out động từ		tính tiền, trả phòng
wake up động từ	/ˌweɪk ˈʌp/	thức dậy, dậy lên

Ngữ pháp trong video

Những cấu trúc người nói dùng nhiều nhất, kèm đúng cụm từ trong video:

Cấu trúc	Trong video
Câu bị động be + quá khứ phân từ — nhấn vào việc xảy ra, không phải người làm	have been found · is actually associated · is actually linked
Mệnh đề quan hệ who / which + mệnh đề — thêm thông tin về người hoặc vật	People who believe · people who wear · children, which have
Thì hiện tại hoàn thành have/has + quá khứ phân từ — việc đã xảy ra nhưng còn liên quan đến hiện tại	have been found · we've talked · have been linked

Phát âm cần chú ý

Người nói dùng 32 dạng rút gọn, ví dụ they're, can't, don't. Hãy nói theo dạng ngắn đúng như bạn nghe.

Âm “th”: math /mæθ/, wealthy /ˈwɛl.θi/
Âm “sh” và “zh”: correlation /ˌkɔɹ.əˈleɪ.ʃən/, nutrition /njuːˈtɹɪʃ.ən/, reduction /ɹɪˈdʌk.ʃən/, explanation /ˌɛkspləˈneɪʃən/, exposure /ɪkˈspəʊ.ʒə(ɹ)/
Từ dài — đặt trọng âm cho đúng: correlation /ˌkɔɹ.əˈleɪ.ʃən/, intelligent /ɪnˈtɛlɪd͡ʒənt/, incredibly /ɪŋˈkɹɛdɪbli/, psychology /saɪˈkɑ.lə.d͡ʒi/, surprisingly /səˈpɹaɪzɪŋli/

Những âm người Việt thường gặp khó:

Cụm phụ âm cuối — đọc đủ từng âm, đừng nuốt âm cuối: predict /pɹɪˈdɪkt/, profound /pɹəˈfaʊnd/, intelligent /ɪnˈtɛlɪd͡ʒənt/, element /ˈɛləmənt/, solve /sɒlv/
Âm /tʃ/, /dʒ/ và /ʒ/ — tiếng Việt không có, đừng đọc thành “ch” hay “gi”: intelligent /ɪnˈtɛlɪd͡ʒənt/, psychology /saɪˈkɑ.lə.d͡ʒi/, exposure /ɪkˈspəʊ.ʒə(ɹ)/, conclusion /kənˈkluːʒən/, genuine /ˈd͡ʒɛn.juˌɪn/
Âm /æ/ — mở miệng rộng hơn âm “e”: math /mæθ/, happiness /ˈhæpinɪs/, feedback /ˈfiːdˌbæk/, satisfaction /sætɪsˈfækʃən/, podcast /ˈpɑdˌkæst/

Cách luyện với video này

Nghe hết video một lần, chưa cần nói, và ghi lại những từ bạn chưa biết.
Bắt đầu ở tốc độ 0,75×, nói đuổi từng câu, rồi quay lại tốc độ bình thường khi đã quen.
Ghi âm giọng mình rồi so với bản gốc, chú ý các từ như math, predict, intelligent.

Phương Pháp Shadowing Là Gì?

Shadowing là kỹ thuật học ngôn ngữ có cơ sở khoa học, ban đầu được phát triển cho chương trình đào tạo phiên dịch viên chuyên nghiệp và được phổ biến rộng rãi bởi nhà đa ngôn ngữ học Dr. Alexander Arguelles. Nguyên lý cốt lõi đơn giản nhưng cực kỳ hiệu quả: bạn nghe tiếng Anh của người bản xứ và lặp lại to ngay lập tức — như một "cái bóng" (shadow) đuổi theo người nói với độ trễ chỉ 1–2 giây. Khác với luyện ngữ pháp hay học từ vựng bị động, Shadowing buộc não bộ và cơ miệng phải đồng thời xử lý và tái tạo ngôn ngữ thực tế. Các nghiên cứu khoa học xác nhận phương pháp này cải thiện đáng kể phát âm, ngữ điệu, nhịp điệu, nối âm, kỹ năng nghe và độ lưu loát khi nói — đặc biệt hiệu quả cho người luyện IELTS Speaking và muốn giao tiếp tiếng Anh tự nhiên như người bản ngữ.

Phương pháp shadowing: đọc hướng dẫn từng bước đầy đủ →

Luyện nói tiếng Anh bằng Shadowing qua video: The Strangest Things that Correlate with IQ

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Phương Pháp Shadowing Là Gì?