Perceived similarity, relationship satisfaction, and knowledge of the other were used as predictor variables for the trait ratings for both liked and disliked targets. Target knowledge made the weakest contributions while relationship satisfaction had the strongest contribution--specifically to traits related to hostility, agreeableness, and general positive and negative affect.

Alma College

Participants indicated that they knew and liked their friends more than the disliked others. The trait correlations were highest among the emotional traits for the self and the liked individuals. Overall, people utilized the self-based heuristic more for the emotional terms since they are harder to infer.

Results: Self-Based Heuristic and Others; Weller and Watson (2009)

Weller, J., & Watson, D. (2009). Friend or foe? Differential use of the self‐based heuristic as a function of relationship satisfaction. Journal of personality, 77(3), 731-760.

Differential Use of the Self-Based Heuristic as a Function of Relationship Satisfaction

Trait correlations for the Big 5 trait factors and the PANAS-X traits.

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