Table 1.

Signs of the β-coefficients (regression slopes) of the relation between personality component scores (Nice, Aloof, and Loner) and three social challenges (details in the text)

	Nice	Aloof	Loner
Male immigration	+	−	−
Change in grooming partner number after relative’s death	+	+	−
Playback experiments	+*	+	+

^*P < 0.05.