Search Results (1 to 10 of 2008 Results)
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Skip search results from other journals and go to results- 558 Journal of Medical Internet Research
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Clinical effectiveness was quantified by calculating the change in anxiety symptoms, measured using the GAD-7, from baseline to final score, and estimating a within-participant effect size (Cohen d). A negative mean change denotes a reduction in GAD-7 total scores. Absolute Cohen d values are presented. The threshold for a clinically meaningful reduction in symptoms was defined as a change greater than the reliable change index of the GAD-7 scale (minimum of a 4-point reduction) [54].
J Med Internet Res 2025;27:e69351
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Boosting Blood Donations Through Facebook Engagement: Randomized Controlled Field Trial
J Med Internet Res 2025;27:e64740
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Digital Mental Health Interventions for Young People Aged 16-25 Years: Scoping Review
J Med Internet Res 2025;27:e72892
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Podcasts in Mental, Physical, or Combined Health Interventions for Adults: Scoping Review
J Med Internet Res 2025;27:e63360
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Power analyses were focused on the ability to detect a medium effect size (Cohen d=0.50) at postcondition in the context of a 2-level random coefficients HLM. Given that the primary contrast of interest would be that between CBI and the other study conditions, calculations were focused on detecting significant differences between two active conditions. Where study parameters in this 2-level model were not yet known, we used standard values and varied parameters to approximate an effective sample size.
JMIR Res Protoc 2025;14:e65970
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