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Monday, October 04, 2021

Interesting Things

Women react fast to erotic images too

It is a general believe that men are more aroused by erotic images than women, but according to a recent study, it turned out, women have responses as strong as those seen in men. Erotic images elicited women neuron firing within 160 milliseconds-about 20% faster than occurred with any of the other pictures.

posted by Life Records at 6/16/2006

How can you tell if a marriage is headed for divorce?

Let's look at the couple discussing a conflict. Studies demonstrate that happily married couples made 5 positive remarks for every 1 negative remark when they discussing conflict. In contrast, couples headed for divorce offered 0.8 positive remarks for every 1 negative remarks.

Source: Reader's Digest, June, 2006

Three-person groups best for problem-solving

What is the optimum group size for logic-based problem solving? It seems 3-person groups work best. That's according to Patrick Laughlin and colleagues who tested 760 students on a series of 'letters-to-numbers' logic problems. For each of problems, the performance of students working alone was compared with the performance of a 2-, 3-, 4-and 5-person group working on the same problem. The 2-person groups didn't tend to perform any better than the best of 2 students who were working alone on the same problem. However, the 3, 4 and 5-person groups consistently outperformed the best of 3, 4 or 5 individuals working alone on the same task. The groups solved the problem more quickly and used more sophisticated equations. However, the 4- and 5-person groups were no better than the 3-person groups, suggesting a team of three is the optimum group size for logic-based problem solving. "If groups of three perform as well as groups of larger size, it is obviously a more efficient use of human and logistic resources to use 3-person groups", the researchers concluded.
Source: Journal of Personality and Social Psychology, 90, 644-651.

posted by Life Records at 6/01/2006

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