Evaluation of Performance: A Judgmental Approach presents a theoretical analysis of the emotional significance of self-evaluative reactions and their relevance in explaining unipolar depression. The author discusses both the theoretical and practical implications of her research findings from two experiments: one related to self-evaluation under threat to self-esteem and the other to context manipulation. TOC:Contents: Self-Evaluation of own Performance as Judgements: The Internal Standard.- Perceptual Perspective in Achievement-related Contexts.- Scale Effects versus Changed Stimulus-perception.- Causal Structures between Stimulus-perception, Judgements, and Mood.- Choice of Perspectives.- Aspects of Response Language.- Threat to Self-esteem.- Actual Self-evaluations and Global Self-esteem.- Etiology of Unipolar Depression.- Summary of Hypotheses.- Experiment I: Method. Results. Discussion.- Experiment II: Method. Results.- General Discussion: Effects of Threat to Self-esteem. Effects of Perspectives. The Standard Set as a Method. Scale Effects versus Changed Stimulus-perception. Effects of the "Life Perspective". Different Functions of Judgements. Implications for Depression Research.- References.