246 Chapter 5 not differ between experimental conditions (F(1, 50) = 0.08, p = .785, η2 p = .00). Paired samples t-tests were used to make post-hoc comparisons between the different timebins, and suggested that GSR increased during the first 40 minutes of gameplay and decreased after that (see Table 10). Table 4 Hierarchical linear regression analyses predicting experienced fun and affect at post-test Dependent Variable Experienced Fun Affect at post-test Unstandardized estimate b [95% CI] (SE) Unstandardized estimate b [95% CI] (SE) Step 1 b Constant 0.39 [-1.05; 1.87] (0.74) 2.93 [ 1.14; 4.53] ** (0.85) Affect at pre-test (control variable) 0.21 [-0.07; 0.53] (0.15) Affect at post-test (control variable) 1.30 [ 0.83; 1.72] ** (0.23) State anxiety post (control variable) -0.65 [-1.00; -0.31] ** (0.18) Experienced fun (control variable) 0.16 [ 0.06; 0.27] ** (0.05) Step 2 c Constant 0.03 [-1.35; 1.65] (0.76) 2.95 [ 1.13; 4.51] ** (0.85) Affect at pre-test (control variable) 0.21 [-0.07; 0.53] (0.15) Affect at post-test (control variable) 1.26 [ 0.78; 1.67] ** (0.22) State anxiety post (control variable) -0.64 [-1.00; -0.29] ** (0.18) Experienced fun (control variable) 0.17 [ 0.06; 0.28] ** (0.06) Trailer-condition a 0.91 [ 0.05; 1.83] (0.45) -0.04 [-0.39; 0.31] (0.18) Step 3a d Constant -0.03 [-1.38; 1.54] (0.75) 2.93 [ 1.06; 4.57] ** (0.90) Affect at pre-test (control variable) 0.20 [-0.07; 0,56] (0.16) Affect at post-test (control variable) 1.28 [ 0.81; 1.69] ** (0.22) State anxiety post (control variable) -0.63 [-1.00; -0.27] ** (0.19) Experienced fun (control variable) 0.17 [ 0.06; 0.28] ** (0.06) Trailer-condition a 0.90 [-0.07; 1.87] (0.46) -0.04 [-0.42; 0.30] (0.19)
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