TABLE 1.

Means and standard deviations for sociodemographic variables and pretest scores for all dependent variables for each experimental condition.

	Course
	Epoch		Emotion		Self-concept
	M	SD	M	SD	M	SD
Age	15.15	1.80	14.27	1.68	15.64	1.41
Media usage	2.88	1.71	3.06	1.71	2.82	1.64
Art interest [1 very low, 2 low, 3 intermediates, 4 frequently, 5 always]	2.62	1.15	2.54	1.16	2.63	1.12
Art mark [1 very good, 2 good, 3 satisfactory, 4 sufficient, 5 poor]	2.21	0.93	2.33	1.13	2.04	0.79
Art exhibition [1 never, 2 1–3 times, 3 3–6 times, 4> 6 times]	1.87	0.80	1.88	0.59	1.86	0.72
Drawing skills [1 very good, 2 good, 3 satisfactory, 4 sufficient, 5 poor]	2.98	1.21	2.82	1.25	2.96	1.24
Drawing hobby [1 rarely or never, 2 sometimes, 3 frequently, 4 always]	1.88	0.97	1.99	1.05	1.73	0.84
Photography hobby [1 rarely or never, 2 sometimes, 3 frequently, 4 always]	2.40	0.91	2.30	0.97	2.32	0.97
AccuracyPretest	76.25	22.90	71.72	23.94	77.75	21.35
SensitivtiyPretest	60.78	11.94	63.83	11.56	60.69	13.11
APRPretest	3.38	1.11	3.61	0.93	3.48	1.15
APRselfPretest	0.76	0.67	0.82	0.72	0.72	0.55