33 votes
Accepted

Is it true that "People Over 40 Should Only Work 3 Days A Week"?

The study seems unreliable to me but they do claim that. For working hours up to around 25 hours a week, an increase in working hours has a positive impact on cognitive functioning. However, when ...
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  • 78k
10 votes
Accepted

Do elephants see humans the same way humans see puppies?

It seems unlikely that there is any basis to this claim. See this question and the answer and comments posted on psychology.stackexchange.com. While there are, according to @Fizz, CT devices for ...
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  • 238
8 votes

Do higher mathematical abilities inversely correlate with good communication skills?

It depends what you mean by communication skills but at least on the level of testable verbal skills the average physics student far outstrips the average psychology or sociology student. Overall ...
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  • 9,416
8 votes
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Does listening to classical music "Improve Cognitive Function"?

Yes, though the improvement is not direct, not large, and not just from classical music. Listening to any emotionally positive music has been shown to improve a subject's mood, which in turn has ...
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  • 11.4k
7 votes

Was the Stroop Effect used to catch spies?

As a partial answer, according to the 1987 book Systems and Theories of Psychology, volume 2, page 410: We conclude our discussion of the Stroop effect with a story for whose veracity we cannot vouch....
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  • 99.3k
7 votes

Do some people have aphantasia - the inability to visualise images in their mind's eye?

The basic answer is that aphantasia is very real and is recognised and researched. It's just that not everything that is real can be tested directly. There are some studies that have been done, but ...
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  • 71
6 votes

Did a Duke University study find these 8 factors as contributors to "peace of mind"?

Although I cannot find a legitimate source for that 8-point plan, there are a couple of key points in the information you have shared: The citation that you mentioned above is not a professional/...
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  • 7,300
3 votes

Is spelling (orthography) correlated with adult intelligence?

An (small) experiment about correlation between orthographic and logical-mathematical skills was made on 10-year-old children in 2013. The 60 children studied were finally divided in 3 groups: "...
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  • 1,044
3 votes

Asch's Conformity Experiment (1951) ; different sources have different results

It's OK to cite a figure around 30% if we want to indicate the "effect size". A figure of 75% is only correct to indicate the percentage of population affected by this bias. However care should be ...
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  • 78k
3 votes

Can speakers of Kuuk Thaayorre navigate much better than Western speakers inside unfamiliar buildings?

See How Language Shapes Thought Scientific American (February 2011), vol. 304, pages 62-65, and the reference cited therein: Unlike English, the Kuuk Thaayorre language spoken in Pormpuraaw does not ...
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  • 99.3k
2 votes

Do some people have aphantasia - the inability to visualise images in their mind's eye?

They've done MRI's to show different levels of brain activity: Aphantasia: Losing the mind’s eye Since I have aphantasia I would qualify this as a real thing. The problem is until we get more brain ...
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  • 31
2 votes
Accepted

Can eating sugar result in addiction?

Sugar plays a role too, but the personality traits are more important. Sugar can induce reward and craving that are comparable in magnitude to those induced by addictive drugs. The neural ...
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  • 2,856
2 votes

Do mirrors decrease perceived waiting time

For the first part of the question, yes the original paper by Sasser et al. (1979) attributes it to a well known hotel group without the mention of the name with reference to several papers such as ...
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  • 22.6k
1 vote
Accepted

Can you generally learn any skill, noticeably well, with 20 hours practice?

The talk says that "10,000 hours" is, to within an order of magnitude, the amount of practice required to get expert-level performance: e.g. to be a professional athlete. It says that, conversely, ...
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  • 26.3k

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