The confidence heuristic: a game-theoretic analysis

Article Abstract:

Game theory based on rational players with well-defined goals has been used to examine group decision-making. However, social factors based on social psychology theories may contribute to such models. A game-theoretic model that incorporates social influence and information effects is proposed. It assumes a social norm that determines information revelation, leading to decisions made according to a confidence heuristic. The results indicate that group polarization occurs even in the presence of irrational players. If these individuals increase in number, however, the norm cannot be maintained.

Psychological aspects, Models, Information theory, Game theory, Decision-making, Group, Group decision making

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Mental health in international adoptees as teenagers and young adults. An epidemiological study

Article Abstract:

There are currently around 38,000 individuals in Sweden who have been adopted from around the world. A study into the mental health of teenagers/young adults who arrived in Sweden between 1970 and 1977 has revealed good mental health and self-esteem generally. Individuals who were not at ease with their identity were found to suffer from behavioural problems.

Sweden, Surveys, Mental health, Children, Adopted, Adopted children

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Set-size and frequency-of-occurrence judgements in young and older adults: the role of the availability heuristic

Article Abstract:

The mechanisms underlying set-size and frequency-of-occurrence judgments were found to be similar in experiments using path analysis. The availability heuristic did not appear to play a significant role. The role of adult age was also investigated.

Judgment, Judgment (Psychology), Age (Psychology), Age differences (Psychology)

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