ISSN : 1229-0653
The present study examines how negativity and positivity biases affect the impression formation of groups. The results show that in the morality domain negative behaviors are given more weight in information integration, thus yielding negativity biases. In the intellectual competence domain, however, positive behaviors are given more weight in information integration, thus yielding positivity biases. The effects of negativity and positivity biases in the impression formation of groups occurred only when the amount of information given was large enough. The roles of negativity and positivity biases in real life such as political campaign are discussed.
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