Table 3.

Analyses of mean level change and variance across the two trials of the boldness test for each of the three treatment groups (N = 13 each) separately and for all fish overall

	Mean level change			Equal variance
Solitary	t12=2.94	P=0.012	Yes	F12,12=0.43	P=0.162	Yes
Partial solitary	t12=−0.54	P=0.602	No	F12,12=1.11	P=0.854	Yes
Social	t12=−0.57	P=0.577	No	F12,12=1.70	P=0.372	Yes
Overall effect	t38=0.67	P=0.504	No	F38,38=0.97	P=0.923	Yes

Significant effect is in bold.