“Popular Opinion” Isn’t What You Think
Curiosity Weekly
Warner Bros. Discovery
4.6 • 964 Ratings
🗓️ 22 February 2021
⏱️ 12 minutes
🧾️ Download transcript
Summary
Learn about why popular opinion might not be as popular as you thought; a new analysis that’s debunked the blood type diet; and a pool of water in Kidd Creek Mine in Timmins, Ontario, Canada, that’s 2 billion years old.
One person repeating an opinion makes people think it's a popular opinion by Kelsey Donk
- People Often Think An Opinion Heard Repeatedly From The Same Person Is Actually A Popular Opinion. (2020). ScienceDaily. https://www.sciencedaily.com/releases/2007/05/070520183447.htm
- Weaver, K., Garcia, S. M., Schwarz, N., & Miller, D. T. (2007). Inferring the popularity of an opinion from its familiarity: A repetitive voice can sound like a chorus. Journal of Personality and Social Psychology, 92(5), 821–833. https://doi.org/10.1037/0022-3514.92.5.821
A new analysis has debunked the blood type diet by Grant Currin
- New study debunks blood type diet. (2020). EurekAlert! https://www.eurekalert.org/pub_releases/2020-12/pcfr-nsd120420.php
- Kahleova, H., Petersen, K. F., Shulman, G. I., Alwarith, J., Rembert, E., Tura, A., Hill, M., Holubkov, R., & Barnard, N. D. (2020). Effect of a Low-Fat Vegan Diet on Body Weight, Insulin Sensitivity, Postprandial Metabolism, and Intramyocellular and Hepatocellular Lipid Levels in Overweight Adults. JAMA Network Open, 3(11), e2025454. https://doi.org/10.1001/jamanetworkopen.2020.25454
- Barnard, N. D., Rembert, E., Freeman, A., Bradshaw, M., Holubkov, R., & Kahleova, H. (2020). Blood Type Is Not Associated with Changes in Cardiometabolic Outcomes in Response to a Plant-Based Dietary Intervention. Journal of the Academy of Nutrition and Dietetics. https://doi.org/10.1016/j.jand.2020.08.079
- Shmerling, R. H. (2017, May 12). Diet not working? Maybe it’s not your type - Harvard Health Blog. Harvard Health Blog. https://www.health.harvard.edu/blog/diet-not-working-maybe-its-not-your-type-2017051211678
The World's Oldest Known Pool of Water Is a Staggering 2 Billion Years Old by Joanie Faletto
- Kidd Creek Mine | AMNH. (2021). American Museum of Natural History. https://www.amnh.org/exhibitions/permanent/planet-earth/why-is-the-earth-habitable/where-do-the-earth-s-riches-come-from/kidd-creek-mine
- Gilllis, L. (2019, June 17). Is there new life for Kidd Mine? Northern Ontario Business; Northern Ontario Business. https://www.northernontariobusiness.com/regional-news/timmins/is-there-new-life-for-kidd-mine-1510179
- McGill University. (2016, November 3). Channels. https://www.mcgill.ca/channels/news/it%E2%80%99s-whats-underneath-counts-263769
- Holland, G., Lollar, B. S., Li, L., Lacrampe-Couloume, G., Slater, G. F., & Ballentine, C. J. (2013). Deep fracture fluids isolated in the crust since the Precambrian era. Nature, 497(7449), 357–360. https://doi.org/10.1038/nature12127
- Li, L., Wing, B. A., Bui, T. H., McDermott, J. M., Slater, G. F., Wei, S., Lacrampe-Couloume, G., & Lollar, B. S. (2016). Sulfur mass-independent fractionation in subsurface fracture waters indicates a long-standing sulfur cycle in Precambrian rocks. Nature Communications, 7(1). https://doi.org/10.1038/ncomms13252
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Transcript
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| 0:00.0 | Hi, you're about to get smarter in just a few minutes with Curiosity Daily from |
| 0:04.8 | Curiosity.com. I'm Cody Goff, and I'm Ashley Hamer. Today you learn about why a |
| 0:09.0 | popular opinion might not be as popular as you thought. a new analysis that's debunked the blood type |
| 0:14.8 | diet and a pool of water that's 2 billion years old. |
| 0:19.3 | Blood satisfy some curiosity. |
| 0:21.3 | People are always influenced by popular Let us find some curiosity. |
| 0:22.6 | People are always influenced by popular opinion. |
| 0:25.9 | It's human nature. |
| 0:26.9 | But here's a weird psychology quirk. |
| 0:29.8 | Our perceptions of which opinions are popular aren't always accurate. In fact research shows that when |
| 0:36.1 | one person repeats an opinion over and over we tend to think it's a popular opinion. |
| 0:41.6 | This comes from a surprising study from 2007, |
| 0:45.5 | which involved a series of six experiments with more than a thousand participants. |
| 0:50.1 | The experiments varied, but they generally went like this. |
| 0:54.0 | Participants would be told that a group of people was expressing their opinions on a controversial issue. |
| 1:00.0 | Then some of the participants were given one opinion to read and others were given three. |
| 1:06.0 | In some of the three opinion conditions, each opinion was attributed to a different person. |
| 1:12.0 | In others, all three were from the same person. |
| 1:15.8 | The results, people were more likely to assume a position |
| 1:19.1 | as the majority belief when it's repeated by multiple people than when they read one opinion from one person. |
| 1:25.0 | But hearing one person expressed the same opinion multiple times had nearly the same effect as hearing that opinion from multiple people. |
| 1:35.6 | So why is this? Well the researchers say it all comes down to familiarity. |
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