This study aimed to review the validity and/or reliability of light-intensity physical activity (LPA) questionnaires and identify the most suitable questionnaires for measurement of LPA in adults. Following the PRISMA-P 2020 guidelines, we searched MEDLINE, PsycINFO, CINAHL, Scopus, Embase, and MedNar. Only studies that targeted adults [greater…

Attachment difficulties are associated with a range of adverse outcomes in mental health, and people with intellectual disabilities (IDs) may be at greater risk of experiencing difficulties in their attachment relationships. This review critically evaluated recent research measuring the prevalence of attachment difficulties in people with ID.…

This paper forms part of a doctoral study focused on the development and validation of an instrument for the self-evaluation of teaching and learning competencies for the purpose of faculty professional development. The rapid expansion of the higher education sector in Singapore has called for new approaches to university teaching that are…

Systematic reviews have traditionally focused on internal validity, while external validity often has been overlooked. In this study, we systematically reviewed determinants of external validity in the accumulated randomized controlled trials of social skills group interventions for children and adolescents with autism spectrum disorder. We…

Using criterion-referenced test item data collected in an empirical study, differences in item selection between Cox and Vargas' pretest-posttest validity index and a latent trait approach (evaluation of the item information function for the mastery score) are analyzed. (Author/GK)