Table 2.

Summary of Anagrams Results (Ln = natural log)

Index	n	Propranolol 40 mg			Propranolol 60 mg			Propranolol 20 mg			Placebo
		Mean ± Std dev	t =	p =	Mean ± Std dev	t =	p =	Mean ± Std dev	t =	p =	Mean ± Std dev
Ln sum of solution times(total)	72	49.89 ± 11.7	1.08	0.29	51.31 ± 11.6	0.58	0.57	51.40 ± 11.0	0.70	0.49	50.81 ± 11.5
Number solved correctly	72	17.92 ± 1.76	1.96	0.05*	17.53 ± 1.94	0.50	0.62	17.64 ± 1.92	0.89	0.38	17.40 ± 2.36
Raw sum of solution times(total)	72	588.9 ± 247.6	2.36	0.02*	638.4 ± 286.8	0.11	0.91	617.9 ± 238.5	0.98	0.33	641.2 ± 279.5
Ln sum of solution times(most difficult problems)	72	17.73 ± 3.28	2.67	0.01*	18.25 ± 3.56	1.91	0.06	18.3 ± 3.07	1.30	0.20	18.92 ± 3.75
Ln sum of solution times(simplest problems)	72	8.91 ± 2.77	1.81	0.07	8.46 ± 3.25	2.13	0.04*	8.91 ± 3.11	3.39	0.001*	7.70 ± 3.13
Ln sum of solution times(high latency subjects)†	24	59.36 ± 7.17	3.84	0.04*	61.03 ± 8.15	0.83	0.42	59.42 ± 7.39	1.90	0.07	62.45 ± 5.64
Ln sum of solution times(medium latency subjects)†	24	49.27 ± 8.81	0.58	0.57	50.20 ± 7.60	0.89	0.93	52.24 ± 6.93	1.24	0.23	50.33 ± 2.80
Ln sum of solution times (low latency subjects)†	24	40.67 ± 10.2	1.66	0.11	42.59 ± 9.58	2.85	0.009*	42.24 ± 9.65	3.33	0.003*	37.56 ± 7.05

^*= significant results, p < 0.05

^†= between subject comparison