Table C.

Vertical activity. Average vertical activity (±SEM) of Lewis and Fischer rats for each 5-minute interval of the open field session.

Minutes	Lewis	Fischer	F statistic	p value
1–5	342 ± 22	313 ± 41	.38	.55
6–10	251 ± 21	200 ± 43	1.14	.30
11–15	217 ± 23	131 ± 24	6.65	.02*
16–20	118 ± 29	106 ± 24	.09	.77
21–25	134 ± 35	103 ± 26	.51	.49
26–30	70 ± 21	106 ± 27	1.16	.30
31–35	66 ± 27	59 ± 28	.03	.87
36–40	50 ± 22	74 ± 27	.48	.50
41–45	31 ± 16	52 ± 17	.78	.39
46–50	16 ± 11	71 ± 27	3.63	.08
51–55	38 ± 15	62 ± 28	.56	.47
56–60	20 ± 9	50 ± 18	2.09	.17

^*indicates p < .05.