 | Are children better motivated by rewards or punishment? Of those teachers and parents who make a point of not punishing children, a significant proportion turn instead to the use of rewards. The ways in which rewards are used, as well as the values that are considered important, differ among (and within) cultures. |
| | Difficulty: High school |
 | Are horoscopes accurate? Can their accuracy be measured? The purpose of this experiment was to acquire a percentage number for the accuracy of horoscopes. The hypothesis was that most of the subjects that were tested would find that their horoscopes would be at least 50 percent true and that very few, if any of them would find that their horoscopes would consistently be at least 90 percent accurate. |
| | Difficulty: High school |
 | Are men or women more affected by another's behaviour? This experiment was performed to determine whether or not one person's suggestion has as effect on another person's subconscious reactions; and even further, whether males or females react to this stimuli more. It was predicted that a person's suggestions would have an effect on the majority of the subjects' reactions, and that females would be affected most by these suggestions.
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| | Difficulty: Middle school |
 | | | Difficulty: Middle school |
 | | | Difficulty: High school |
 | | | Difficulty: Middle school |
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 | | | Difficulty: Elementary school |
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