Self-infiltration: confusing assigned tasks as self-selected in memory.

Two studies examined determinants of self-infiltration (i.e., false self-attribution of externally controlled goals or activities). According to Personality Systems Interactions (PSI) theory, a sad mood was expected to reduce access to integrated self-representations and lead to self-infiltration for participants who have an impaired ability to cope with negative affect (i.e., state-oriented participants). Consistent with expectations, state-oriented participants had a tendency toward self-infiltration (as indexed by higher rates of false self-ascription of assigned activities) when reporting higher levels of sadness (Study 1) and after the experimental induction of a sad mood (Study 2). Participants who are able to downregulate negative affect (i.e., action-oriented participants), did not show this tendency. Theoretical and practical implications of the process of self-infiltration are discussed.