Table 3. Experiment 1 frequency of initial intrusions during the 10-min experimental manipulation [i.e. during computer game play or no-task condition].

	No-task (n = 20)		Tetris (n = 20)		Pub Quiz (n = 20)		ANOVA
	mean	sem	mean	sem	mean	sem
Frequency of initial intrusions	12.35	3.40	4.30	1.10	5.90	1.38	F (2,57) = 3.69 §

^§Tetris relative to no-task control p<0.05; Pub Quiz relative to no-task control = NS.