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Skip search results from other journals and go to results- 547 Journal of Medical Internet Research
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A meta-analysis of e Health interventions among men who have sex with men found a small but significant effect size for all 3 behavioral outcomes over the reviewed study period: any condomless anal intercourse with nonpaying male partners (Cohen d=−0.21; P
We aimed to describe technology-based HIV prevention interventions among men who have sex with men and transgender women in China, document the intervention strategies, estimate intervention effects, and explore the relationships between intervention features
J Med Internet Res 2025;27:e63111
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We chose a D-optimal design over an orthogonal design for its capacity to produce accurate parameter estimates with a smaller sample size [25].
One important consideration in D-optimal design is specifying the number of choice tasks or the design size [26]. According to the formula “number of attribute levels/(number of alternatives-1),” a minimum design size of 6 per block was required [27]. While larger design sizes typically improve statistical efficiency, they can compromise response efficiency [23].
JMIR Mhealth Uhealth 2025;13:e58556
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A meta-analysis of 119 MI efficacy studies yielded a small but significant effect of MI compared with alternative interventions (d=0.22) [1].
More than 40 studies have investigated the feasibility of conducting motivational interviews delivered partially or completely via computers, mobile phones, robots, voice-activated recordings, and related platforms [4,5]. Many of these studies have used text-based motivational interviews that rely on written interactions between the interviewer and interviewee.
J Med Internet Res 2025;27:e59085
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Panel (A) shows the Basic Response Time task, (B) shows the spatial span task (forward span trial), (C) shows the Flanker task (congruent condition), (D) shows the continuous performance task (no-go trial), (E) shows the Stroop task (incongruent condition), (F) shows the Boxed task (feature 4 condition), (G) shows the Compass task (neutral condition), (H) shows the Task Switch task (incongruent condition), and (I) shows the Tap and Trace task (dual task condition).
J Med Internet Res 2025;27:e60041
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Consumer-Grade Neurofeedback With Mindfulness Meditation: Meta-Analysis
For between-participant designs, we primarily calculated Becker’s del for effect sizes, which is the Cohen d for the mb NF group minus the Cohen d for the control group [93]. This provides a simple measure of the degree of differential change between the groups. In cases of incomplete reporting, we converted t tests or partial eta-squared to Cohen d. All effect sizes were converted using Hedges g correction, as many sample sizes were small.
J Med Internet Res 2025;27:e68204
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