Stress and stressors of medical student near-peer tutors during courses: a psychophysiological mixed methods study

Table 1 Test statistics for RM-ANOVAs (psychological measures, main and first order interaction effects)

Factors	VAS-Stress			Positive Affect			Negative Affect
Factors	F	df	p	F	df	p	F	df	p
Time	98.00	2.44, 136.62	<.001	137.67	2, 112	<.001	75.44	1.66, 92.97	<.001
Time*Type	8.04	2.44, 136.62	<.001	4.10	2, 112	.02	2.12	1.66, 92.97	.13
Time*Exp	8.00	2.44, 136.62	<.001	1.52	2, 112	.22	5.18	1.66, 92.97	.01
Day	26.24	2, 112	<.001	11.07	2, 112	<.001	5.29	1.56, 87.26	.01
Day*Type	1.83	2, 112	.17	1.00	2, 112	.37	0.11	1.56, 87.26	.85
Day*Exp	0.68	2, 112	.50	1.18	2, 112	.33	0.33	1.56, 87.26	.67
Time*Day	7.68	4.87, 272.79	<.001	1.30	4, 224	.27	4.68	3.18, 178.26	.003
Type	0.92	1, 56	.002	0.39	1, 56	.54	0.66	1, 56	.42
Exp	4.04	1, 56	<.05	2.18	1, 56	.15	1.24	1, 56	.27
Type*Exp	3.42	1, 56	.07	0.07	1, 56	.79	0.97	1, 56	.33

Note. F-test statistics of main and first order interaction effects with Visual Analogue Scale (VAS-Stress) scores, Positive Affect, and Negative Affect as respective dependent variables. Independent variables: Time Point of measurement, Day Day of measurement, Type tutor type (AaL^plus, n = 36, vs. sonography, n = 24), Exp tutor experience (senior, n = 32 vs. novice tutors, n = 28). Mauchly tests for sphericity: VAS: W_Time = .62, p < .001, W_Day = 92, p = .09, W_Time*Day = .31, p < .001; Positive Affect: All W’s > .81, p’s > .27; Negative Affect: All W’s < .63, p’s < .001. Within-subject factor statistics corrected for nonsphericity (where appropriate) using the Huynh-Feldt procedure, F F-statistic, df (corrected) numerator and denominator degrees of freedom, p p-value

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