쉐도잉 연습: Evaluating Sources & Fact Checking: Crash Course Scientific Thinking #6 - 영상으로 영어 말하기 배우기

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Are you eating a credit card's worth of plastic every week?

Uh, probably not.

But if you saw headlines like this, you might worry that you are.

These days, trying to piece together what to believe can feel impossible.

But we can still find reliable, trustworthy answers, as long as we know how to look for them.

Hi, I'm Hank Green, and welcome to Crash Course Scientific Thinking.

You probably already know that you shouldn't believe everything read, watch, or hear.

On an internet where everyone is competing both for attention and to control narratives, it's no surprise that there are plenty of distortions,

exaggerations, baseless claims, propaganda, and whatever this is.

But it's also home to lots of good scientific information, too.

So when it comes to something as important as science, how do we figure out what's reliable?

Well, it helps to understand how a science story like this becomes news in the first place.

See, that CNN article isn't the whole story.

It's just the part we see as consumers of science news.

That science news tastes bad.

Think of it like the tip of the iceberg.

There's a lot more going on below the surface.

CNN got the details from this report by the WWF.

No, not the wrestling group from the 90s, the Worldwide Fund for Nature.

And they got it from a study they commissioned from researchers at Australia's University of Newcastle,

which reported a range of possible amounts of plastic that people might consume in a week, from a high of 5 grams all the way down to 0.1 grams.

But the WWF only reported the high end of the range, saying an average person could be ingesting approximately 5 grams of plastic per week,

about the size of a credit card.

And that technically could be true.

It could be that much.

There's a lot of things that could be true.

It's like when an insurance company says, I could save you up to 15% or more on your car insurance.

Up to 15% or more?

That's all of the percents.

So why would they do that?

Well, different kinds of publications have different kinds of goals.

And as a savvy consumer of science media, it's helpful for you to consider what those goals might be.

Like, the WWF is a nonprofit advocacy group whose goal is to preserve nature through lobbying and research.

So they might really want to sound the alarm about microplastics in order to bring people into their broader mission.

Considering an outlet's goals gives us, as consumers, more information to consider.

It gives us a broader context than just the story would alone.

And while I would agree that microplastics are a big deal, only reporting on the upper range to make the situation feel more urgent

and headline-worthy can make a situation seem a lot more dire than it actually is, and intentionally or not, be misleading.

News organizations, by the way, also have goals that we should take into consideration.

the goal to get a lot of people to click on an article.

And a headline that says, you might eat between a tenth of a gram and five grams of microplastics every week, is not gonna get the clicks.

What gets reported in the news is sometimes different from the information in the primary source, the first-hand account from the scientists who actually conducted the study.

The primary source is the most accurate representation of what the scientists who conducted the research actually found.

In this particular instance, the primary source was the study from the researchers at Newcastle who reported a range of possible amounts of plastic ingestion.

So what happened between the primary source and CNN?

Well, the Newcastle team got their results and shared them with the WWF.

It was then written into a report by consultants who had

not conducted the research directly in what we would call a secondary source.

And this secondary source only listed the upper range of plastic we could be eating.

Those are the numbers that got picked up by CNN.

In science, news articles are often tertiary sources.

They summarize the information of primary and secondary sources, and are usually not written by scientists.

Sometimes when science gets reported, it can also get distorted.

Sometimes it's an honest mistake, someone somewhere along the way got their facts mixed up.

We call that misinformation.

Information that is wrong or misleading.

But because, as the kids say, we live in a society, we also have to worry about disinformation.

that is intentionally misleading or false.

But here's the thing.

None of this means that we have to stop trusting reputable news organizations, or even advocacy organizations like the WWF wholesale.

It just means we need to be more diligent when we are consuming news.

And good science journalists have learned to navigate the scientific community.

They often have experts they can reach out to for second opinions,

and they present useful context behind a story to help the reader understand how the news fits into larger conversations in science.

So, what does this mean for us?

How can we, as non-scientists and non-journalists, dig down and figure out when a story is reliable and when it isn't?

I think it's time for some sage advice.

That's the key, Hank.

You don't dig, you sift.

It's a way of evaluating sources developed by digital literacy expert Mike Caulfield from the University of Washington.

The S stands for stop.

Stop.

When you see something that triggers a strong emotional response, you should stop and really think about what you're reading.

So don't immediately text everyone I know and tell them

that they couldn't book a flight with all the microplastics inside of them.

Got it.

What's next?

Ah, investigate the source, the place that published the information.

Who's putting it out there? And why?

In this case, we're looking at CNN.

How do we find out if CNN is a reputable source?

Well, we know they've been around for over 40 years.

But let's investigate a bit further.

So let's open a new tab and get the scoop on CNN.

It looks like they're in the green zone on this media bias chart from Harvard Library's research guides.

We call this strategy lateral reading.

Checking other websites, newspapers, and media guides like this one to make sure

that the source you're getting the original information from is on the up and up.

So if the original source is trustworthy, then we're good?

Not yet.

Up next is F.

Find better coverage.

Using those same lateral reading skills, we need to check if other sources are reporting the same thing.

What are other outlets reporting?

In this case, we can find some other sources citing the credit card stat.

But we can also find reputable sources saying that it's misleading.

If other reputable sources are disagreeing, it's a sign to take the source you found with a grain of salt.

If other sources are agreeing, then it's a good sign you can dig deeper into what you read.

So you've got to read not just beyond the headline, but beyond the first source, especially before you share it.

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Then you won't be surprised to hear the T.

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T is for trace claims to their original context.

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This is a big one.

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Often when we see quotes or images online, they're being taken out of context.

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So tracing them back to their origin can help us figure out if we're seeing the whole story.

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In this case, the CNN article tells us that the credit card claim comes from the WWF article, which CNN links to.

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There we can see that they got the claim from this original study.

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And here we can see the information in its original context, which stated humans may ingest 0.1 to 5 grams of microplastics weekly.

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Not, you're eating a credit card.

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Much more nuanced.

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So the high end of this range, which was in the original report, is actually 50 times greater than the low end of the range.

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That's a lot.

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And this has been your Sage Advice.

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Thanks, Sage.

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Okay, so sift is awesome, and in an age where we're getting so much of our news from social media,

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it's more important than ever for us to be discerning about the information that we are absorbing and sharing.

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Like, you will almost never see a primary source in a TikTok video.

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That should raise immediate red flags and encourage you to start sifting.

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Also, ChatGPT and other generative AI tools do not pass the SIFT test.

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They are not trustworthy as primary sources.

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And I get it, fact-checking can feel like a lot of work.

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For me, the SIFT method is a great tool, but there are other fact-checking methods out there, and the one you use and how you use it is a personal choice.

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But reliability isn't.

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Some sources are just more reliable and more trustworthy than others, and our personal biases don't change that.

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Like, the WWF might be an organization that does a lot of good, but there's still an advocacy group which is going to advocate for a certain cause.

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And that might mean occasionally misrepresenting scientific information.

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The point is, anytime we're looking at any source of science information, we have to remember that reputation

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and motive are among the most important things we should be looking for when it comes to sources.

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There might be a conflict of interest, like with the WWF, or even an obvious lack of reliability or trustworthiness when we start sifting through our sources.

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Thinking critically about the sources we're getting our news from is

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one of the best ways to make sure we aren't consuming a credit card's worth of bad information every week.

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But it's not foolproof.

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Even the sift method will let us down sometimes.

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Like we learned back in episode 1, none of us are immune to bad information.

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But tools like lateral reading are some of the best shields we have against the tide of mistruths.

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And I think that you'll find that as you start to sift through the sources, the trustworthy ones will rise to the surface more often than not.

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In our final episode, we're going to explore the crossroad of science and public perception.

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I'll see you then.

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This episode of Crash Course Scientific Thinking was produced in partnership with HHMI BioInteractive,

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bringing real science stories to thousands of high school and undergrad life science classrooms.

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If you're a teacher, visit their website for resources that explore the topics we discussed in the video today.

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Thanks for watching this episode of Crash Course Scientific Thinking, which was filmed in Missoula, Montana, and was made with the help of all of these nice people.

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If you want to help keep Crash Course free for everyone forever, you can join our community on Patreon.

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맥락 및 배경

이번 비디오에서는 신뢰할 수 있는 정보를 찾는 방법에 대해 다루고 있습니다. 진행자인 핸크 그린은 과학 뉴스의 소비자로서 우리가 마주하는 정보의 왜곡과 과장에 대해 설명합니다. 그는 독자가 뉴스의 출처를 이해하고, 그 출처의 목표를 고려해야 한다고 강조하며, 신뢰할 수 있는 과학 정보에 접근하기 위해서는 이러한 요소들을 잘 파악해야 한다고 말합니다. 이 내용은 유튜브 영어 공부 및 영어 회화 연습에 매우 유용합니다.

일상 소통을 위한 5가지 주요 표현

그것이 기술적으로 사실일 수 있습니다. (It could be technically true.)
뉴스 조직의 목표를 고려하세요. (Consider the goals of news organizations.)
다양한 종류의 출처가 있습니다. (There are different types of sources.)
소비자로서 더 많은 정보를 고려해야 합니다. (As consumers, we need to consider more information.)
기본 출처를 확인하세요. (Check the primary source.)

단계별 그림자 발음 연습 가이드

이 비디오의 내용을 쉽게 소화하기 위해서는 shadowspeak 방법을 사용할 수 있습니다. 아래 단계를 따라가며 연습해보세요:

비디오를 처음부터 끝까지 본 후, 핵심 내용을 요약해보세요. 특히 과학 뉴스의 왜곡과 정보의 신뢰성을 강조한 부분을 주목하세요.
각 주요 표현을 반복해서 발음해보세요. 메모를 하면서 자신의 발음을 기록해보면 도움이 됩니다.
발음 연습 동안, 핸크 그린의 톤과 억양을 따라해보세요. 이때는 소리내어 따라하는 것이 중요합니다. 영어 회화 연습을 통해 자연스럽게 어조를 익힐 수 있습니다.
비디오에서 사용된 문장들을 자신만의 문장으로 변형해보세요. 예를 들어, '그것이 기술적으로 사실일 수 있습니다.' 대신 '그 정보는 신뢰할 수 있을까요?'와 같은 질문으로 바꿔보세요.
마지막으로, 자신만의 의견이나 경험을 비디오의 주제와 연결지어 이야기해보세요. 이 과정에서 IELTS 스피킹 준비에도 큰 도움이 될 것입니다.

이러한 연습 방법은 영어 실력을 향상시키고, 다양한 상황에서 활용할 수 있는 유용한 표현들을 익히는데 큰 도움이 됩니다.

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형	영상 속 표현
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	was then written · are usually not written · being taken
현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때	have learned · they've been · has been
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보	range, which was · group which is · Thinking, which was

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

섀도잉 방법: 단계별 전체 가이드 읽기 →

쉐도잉 연습: Evaluating Sources & Fact Checking: Crash Course Scientific Thinking #6 - 영상으로 영어 말하기 배우기

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맥락 및 배경

일상 소통을 위한 5가지 주요 표현

단계별 그림자 발음 연습 가이드

이 영상의 문법

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법