<b>Table 3.</b> Strain differences in food rewards earned during the last 3 d of SA.

Abstract

<p>The mean number of food pellets earned by each strain during the last 3 d of SA was compared using a post-hoc Tukey HSD procedure. The p values are shown for all the pair-wise comparisons. Comparisons that achieved statistical significance (p<0.05) are in bold and italics.</p