312 Chapter 7 Condition Detailed trailer with mental health messaging Abstract trailer with mental health messaging Variable Mean / Percentage (SD) Mean / Percentage (SD) Mean / Percentage (SD) χ2 / t df p Post-test 3.16 (0.78) 3.17 (0.82) 3.15 (0.74) 0.09 127 .93 Stress mindset Pre-test 1.55 (0.59) 1.62 (0.59) 1.48 (0.58) 1.39 127 .17 Post-test 1.59 (0.64) 1.66 (0.63) 1.51 (0.65) 1.36 127 .18 Game choice 20.49 1 < .001 Mental health 59.7% 78.8% 39.7% Entertainment 40.3% 21.2% 60.3% Gameplay duration in minutes 28.48 (8.85) 29.31 (9.16) 27.60 (8.50) 1.09 126 .28 Note. a one cell (12.5%) had an expected count less than 5.
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