5 247 THE EFFECT OF EXPECTATIONS IN AN APPLIED GAME Dependent Variable Experienced Fun Affect at post-test Unstandardized estimate b [95% CI] (SE) Unstandardized estimate b [95% CI] (SE) Motivation to change 0.32 [-1.07; 1.82] (0.73) -0.07 [-0.66; 0.46] (0.28) Interaction: motivation to change X trailer-condition -0.45 [-2.65; 1.68] (1.06) 0.10 [-0.72; 1.13] (0.45) Step 3b e Constant 0.20 [-1.36; 1.84] (0.84) 2.81 [ 1.09; 4.32] ** (0.83) Affect at pre-test (control variable) 0.28 [-0.05; 0.62] (0.17) Affect at post-test (control variable) 1.21 [ 0.72; 1.69] ** (0.25) State anxiety post (control) -0.68 [-1.00; -0.27] ** (0.19) Experienced fun (control) 0.15 [ 0.05; 0.26] ** (0.05) Trailer-condition a 0.91 [-0.00; 1.81] (0.48) -0.01 [-0.35; 0.31] (0.18) General anxiety symptoms 0.49 [-0.48; 1.51] (0.50) 0.27 [-0.17; 0.58] (0.19) Interaction: general anxiety symptoms X trailer-condition -0.88 [-2.53; 0.61] (0.80) -0.07 [-0.56; 0.44] (0.25) Notes. * p < .05, ** p < .01, *** p < .001, 1.000 bootstrap samples. Steps 1 till 3a were performed within the same bootstrapped regression model. a Trailer-condition was coded as 0 = entertainment trailer, 1 = mental health trailer. b R2 = .30 and .49 for experienced fun and affect at post-test, respectively. c R2 = .35 and .49 for experienced fun and affect at post-test, respectively. d R2 = .35 and .49 for experienced fun and affect at post-test, respectively. e R2 = .37 and .52 for experienced fun and affect at post-test, respectively. CI, confidence interval; SE, standard error.
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