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Table 5 Test statistics for RM-ANOVAs (physiological measures, main and first order interaction effects)

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

Factors

Net Cortisol

RMSSD

F

df

p

F

df

p

Time

14.43

1.79, 99.95

<.001

119.45

2.52, 140.97

< .001

Time*Type

1.84

1.79, 99.95

.17

3.66

2.52, 140.97

.02

Time*Exp

0.98

1.79, 99.95

.37

0.84

2.52, 140.97

.46

Day

5.08

1.58, 88.47

.01

7.78

1.62, 90.91

.002

Day*Type

1.40

1.58, 88.47

.25

2.89

1.62, 90.91

.07

Day*Exp

0.95

1.58, 88.47

.37

0.10

1.62, 90.91

.86

Time*Day

2.41

3.33, 186.41

.06

0.79

2.39, 134.00

.48

Type

11.06

1, 56

.002

0.00

1, 56

.95

Exp

0.79

1, 56

.38

0.81

1, 56

.37

Type*Exp

1.03

1, 56

.32

0.96

1, 56

.33

  1. Note. F-test statistics of main and first order interaction effects with net cortisol and root mean square of successive differences (RMSSD) in interbeat intervals as respective dependent variables. Independent variables: Time Point of measurement, Day Day of measurement, Type tutor type (AaLplus, n = 36, vs. sonography, n = 24), Exp tutor experience (senior, n = 32 vs. novice tutors, n = 28). Mauchly tests for sphericity: Net cortisol: All W’s < .79, p’s ≤ .001; RMSSD: All W’s < .68, 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