When do normative beliefs about aggression predict aggressive behavior? An application of I3 theory

Area of Science:

• Psychology
• Social Psychology
• Aggression Research

Background:

• I(3) theory posits aggression arises from Instigator, Impellance, and Inhibition processes.
• Previous research highlights Impellance's predictive power under strong Instigator and weak Inhibition.
• The study explores a novel Impellance: normative beliefs about aggression.

Purpose of the Study:

• To test the "perfect calm proposition": normative beliefs predicting aggression when Instigator is absent and Inhibition is high.
• To investigate the role of normative beliefs in aggression under varying provocation and self-control conditions.
• To extend I(3) theory by examining a new Impellance factor.

Main Methods:

• Two experiments involving questionnaires on normative beliefs about aggression.
• Manipulation of self-control resources using Stroop and e-crossing tasks.
• Assessment of aggressive behavior through a game with an ostensible partner, with and without provocation.

Main Results:

• Study 1: Normative beliefs negatively predicted aggression when provocation was absent and self-control was not depleted.
• Study 2: Normative beliefs showed a marginal negative predictive effect on aggression in the "no-provocation and no-depletion" condition.
• Findings suggest a conditional relationship between normative beliefs and aggression.

Conclusions:

• The study provides partial support for the "perfect calm proposition" and I(3) theory.
• Normative beliefs about aggression may influence behavior when situational instigators are low and self-control is high.
• Further research is needed to fully elucidate the complex interplay of factors influencing aggression.