Thinking in the activation and application of stereotypes. Are prejudices guided by stereotypes or our feelings for a person. Affect: influnces, effort exterted on information processing efforts, social group labels through learning process, when affect andd with psychological arousal are related to a group member. It affects how we interact with that person: types of intergroup affect, incidental affect affect elicited by situations unrelated to the intergroup context. Feelings that do not come from outgroup. For example you walk down the street and it begin to rain now you are sad this affects your intergroup affect by altering your base affect. Induced incidental happiness or sadness in participants: both groups experienced reduced the perception of outgroup variability, used more negative sterotypes, happy ppl provide more lilely to provide especially favroable sterotypes of their own ethnic ingroup. Incidental anxiety also facilitates the use of stereotypes.