Sample size
physical disabilities
In the literature, there is a lack of randomized controlled trials evaluating the effect of therapeutic VR experience on mental well-being using specifically in older people with physical disabilities. A similar study evaluating the effects of feedback-based virtual reality exercise on mental health (measured by the mental component summary of the Short-Form Health Survey–36 items) in older women showed that the between-group effect size at the follow-up timepoint is moderate (i.e., A priori power analysis using G*Power employing the statistical test of two-tailed 