Figure 4From: Stability and change: Stress responses and the shaping of behavioral phenotypes over the life spanCortisol responses of pair-housed males at about the time of sexual maturity. Every dot represents plasma cortisol levels of a male 2 h following placement into an unfamiliar enclosure at 55 and 120 days. Statistics: Spearman's rank correlation (one-tailed; parameters are indicated in the graph). Redrawn and recalculated from [76, 80].Back to article page