In Memoriam: Stan A. Kuczaj; Preface; Contents; Contributors; Introduction; 1 A History of Animal Personality Research; Abstract; Early Expressions; Constitutional Differences and Functional Disturbances (1927); A Behavior Rating Scale for Young Chimpanzees (1938); The Relationship Between Emotionality and Various Other Salients of Behavior in the Rat (1940); Temperament in Chimpanzees (1949); The Emotions Profile Index (1966, 1973, 1978); Personality in Monkeys: Factor Analyses of Rhesus Social Behavior (1973); Madingley Questionnaire (1978-Present)

Suomi's Laid-Back, Uptight, and Jumpy Monkeys (1989-Present)The Five-Factor Model Plus Dominance in Chimpanzee Personality (1997-Present); A Recent History of Animal Personality Research; Acknowledgements; References; Models and Perspectives in the Study of Personality; 2 Exploring Factor Space (and Other Adventures) with the Hominoid Personality Questionnaire; Abstract; Origins; Habits; Assumptions and Non-assumptions; Evaluating This Research Tradition; Conclusion; References; 3 The Interpersonal Circumplex: A Complementary Approach for Understanding Animal Personality; Abstract

The Interpersonal Circumplex in HumansImplications of the Interpersonal Circumplex for the Structure of Animal Personality; Implications of the Interpersonal Circumplex for the Role of Social Behavior in Animal Personality; Conclusion; References; 4 The Quantitative and Molecular Genetics of Individual Differences in Animal Personality; Abstract; Introduction; Theory of Genetic Influence of Animal Personality; Personality as a Polygenic Trait; Non-additive Genetic Effects; Distinction Between Quantitative and Molecular Genetics; Quantitative Genetics of Animal Personality

Animal Personality Trait CorrelationsMolecular Genetics of Animal Personality; Candidate Gene Approaches; Genome-Wide QTL Approaches; Linkage-Based Mapping (QTL Mapping); Association Mapping; Pleiotropy; Future Research; Conclusion; References; 5 Personality from the Perspective of Behavioral Ecology; Abstract; Behavioral Ecology; Personality in Behavioral Ecology; The Maintenance of Personality from an Evolutionary Quantitative Genetic Perspective; Mutation-Selection Balance; Disruptive Selection and Sexual Selection; Sexual Antagonistic Selection; Balancing Selection

Genotype-Environment or Genotype-Age InteractionTheory Explaining the Evolution of Repeatable Behavior (Individual Optimization); Stable State Distribution and Feedback Loops; Negative Frequency-Dependence; Behavioral Plasticity; The Reaction Norm Approach; The Character-State Approach; Variation in Plasticity, Repeatability, and Correlations Across Ontogeny; Behavioral Syndromes; Hypotheses for the Existence of Behavioral Syndromes; Plasticity and Behavioral Syndromes; Conclusions; Acknowledgements; References; Articles cited in the table; Personality in Various Taxonomic Groups