TABLE I.

Factor Loadings of Chimpanzee Personality Traits on Six Varimax-Rotated Factors

Trait	Reactivity/Undependability	Dominance	Extraversion	Openness	Agreeableness	Methodical
Irritable	0.87	−0.09	−0.05	−0.09	−0.13	0.15
Temp./moody	0.85	−0.01	0.04	−0.02	−0.08	0.18
Deceptive	0.79	−0.13	0.12	0.18	0.18	0.05
Impulsive	0.77	−0.04	0.28	0.27	0.00	−0.12
Defiant	0.74	−0.06	0.31	0.22	−0.03	−0.10
Mischievous	0.73	0.07	0.41	0.33	−0.01	−0.13
Jealous	0.70	−0.07	0.35	0.40	0.02	0.05
Manipulative	0.68	−0.35	0.14	0.18	0.25	0.09
Stingy	0.68	−0.49	0.07	−0.06	0.23	0.03
Bullying	0.68	−0.56	0.25	−0.07	0.06	0.03
Aggressive	0.66	−0.42	0.41	−0.12	−0.06	0.14
Eccentric	0.62	0.13	−0.22	0.36	−0.04	−0.14
Socially-inept	0.58	0.36	0.02	0.07	−0.37	−0.06
Calm	−0.57	−0.06	−0.50	0.02	0.37	−0.10
Excitable	0.56	−0.08	0.49	0.19	−0.22	0.09
Autistic	0.42	0.36	−0.22	0.05	−0.03	−0.28
Fearful	0.03	−0.88	−0.11	0.05	−0.12	−0.01
Timid	−0.14	−0.84	−0.27	−0.23	−0.09	−0.04
Cautious	−0.23	−0.81	−0.11	−0.13	0.07	−0.01
Dominant	0.40	0.78	0.16	−0.03	0.18	0.13
Dependent	−0.02	−0.76	0.21	0.01	0.30	−0.15
Anxious	0.32	−0.75	0.28	−0.07	−0.05	0.20
Bold	0.53	0.61	0.35	0.29	0.12	0.05
Relaxed	−0.44	0.48	−0.46	0.05	0.31	−0.15
Solitary	−0.18	0.16	−0.77	−0.18	−0.29	0.08
Depressed	0.03	0.32	−0.76	−0.13	0.02	0.01
Active	0.26	0.09	0.72	0.47	−0.10	0.12
Playful	0.20	0.06	0.67	0.58	−0.06	−0.09
Sexual	0.29	−0.07	0.65	0.01	0.30	0.22
Affiliative	0.09	0.09	0.53	0.43	0.49	0.02
Human oriented	0.08	−0.14	−0.02	0.83	0.01	0.05
Inq./Curious	0.26	−0.01	0.30	0.80	−0.03	0.00
Inventive	0.28	0.03	0.20	0.76	0.12	0.14
Intelligent	−0.01	−0.19	0.09	0.70	−0.08	0.50
Aff./Friendly	−0.28	−0.03	0.27	0.61	0.41	−0.11
Persistent	0.46	−0.34	0.10	0.54	0.11	0.15
Protective	0.15	−0.20	0.06	−0.08	0.78	0.15
Considerate	−0.44	0.16	−0.01	0.25	0.63	0.14
Self-caring	0.05	0.06	0.20	0.31	0.32	0.55
Methodical	0.16	−0.44	−0.26	0.30	0.33	0.54

Numbers in boldface have a loading >0.40 for that factor. Underlined numbers have the highest loadings on that factor