Questions tagged [experiments]

a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

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26
votes
1answer
6k views

Are some laundry detergents better than others?

As we were looking for laundry detergent yesterday, I noted that my wife was quite swayed by brand reputation/impressions than price. She stated that she didn't think one type of detergent really ...
14
votes
2answers
727 views

Are most published results relying on measures of statistical significance likely to be false?

This article, linked to by Glen, claims most published results are false. The argument is based on an analysis of how papers relying on statistical significance analyse and report their statistical ...
22
votes
1answer
14k views

Experiments about the "power of thoughts" on cooked rice

Over the past few months a number of people (who don't know each other) have been telling me that I should try a "power of thoughts" experiment that's also known as "the rice experiment." They're ...
25
votes
1answer
19k views

Is this video of the Soviet Dog Revival Experiment real?

In this video a dog's head is brought back to life by artificially injecting blood and air. The dog's head reacted to sound and touch and used its tongue to taste. I am not skeptic about its ...
10
votes
1answer
7k views

Did the "Russian Sleep Experiment" happen?

While talking about scary things and war, my girlfriend acted surprised when she found that I don't know what "Nikolayev gas" is. When I opened up wikipedia and didn't find anything she told ...
7
votes
0answers
8k views

Is yogurt affected by human emotions?

The documentary I Am (Wikipedia) (YouTube video) makes a number of claims, including that more signals are sent from the heart to the brain than vice-versa, and that the your emotion or mood can have ...
5
votes
3answers
964 views

Do people's IQs change?

In a 1968 study of the Pygmalion Effect: Rosenthal and Jacobson gave an intelligence test to all of the students at an elementary school at the beginning of the school year. Then, they randomly ...
3
votes
1answer
12k views

Did a prisoner die from a needle prick when he was told that it was a snake bite?

I read somewhere that there was a prisoner facing a death sentence sometime before the 1950s, on whom a psychological experiment was conducted. Experiment: He was blindfolded and told that he would be ...