The purpose of the study was to verify a hypothesis, inspired by the handicap principle, of a positive relationship between subjective value of a hypothetical monetary reward shared with others and the level of fluid intelligence. Manipulation involved the amount of reward to be shared (small...

Based on the assumption that social distance and time are dimensions of psychological distance important for altruistic choices it was predicted that enhancement of altruism due to delaying rewards when choosing between a reward for oneself and for another person would be more pronounced the...

The purpose of the study was to verify a hypothesis, inspired by the handicap principle, of a positive relationship between subjective value of a hypothetical monetary reward shared with others and the level of fluid intelligence. Manipulation involved the amount of reward to be shared (small...

The purpose of the present study was to test the prediction that when two rewards, a smaller but "socially closer" one and a larger but "socially more distant" one, are moved away from the subject by the same social distance, subjective value of the socially more distant reward will increase...

We study gender differences in preferences for mate characteristics such as perceived (by the opposite sex) physical attractiveness and intelligence using data from the Columbia speed dating experiment. We have observed that the probability of a woman's positive speed dating decision rises with...

The main objective of the book is to evaluate the effects of EU policy instruments that promote a stronger European dimension of the R&D base in the European Union. This objective can be split into a few specific objectives, which are defined as follows: • Evaluation of the impact of public...