4 Department of Youth, GGD, Municipal Health Service Rotterdam, Netherlands Correspondence to: Dr H Raat Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, PO Box 1738, 3000 ...

Despite the high internal validity attributed to RCTs, external validity concerns limit the generalizability of results to the general population. Bias can be introduced, for example, when study ...

Objectives This observational study examines the internal construct validity, internal consistency and cross-informant reliability of the Strengths and Difficulties Questionnaire (SDQ) in a New ...

Objective To analyze the validity and reliability of the Sport Motivation Scale-II in studies that used its original or translated versions. Method Systematic review was carried out in PubMed, Web of ...

The widespread use of digital technologies has significantly influenced individuals’ cognitive processes and behavioral patterns. Alongside this change, the concept of digital amnesia, defined as the ...

Objective: Positive and negative affect are the two psychobiological-dispositional dimensions reflecting proneness to positive and negative activation that influence the extent to which individuals ...

Background The Daily-PROactive and Clinical visit-PROactive Physical Activity (D-PPAC and C-PPAC) instruments in chronic obstructive pulmonary disease (COPD) combines questionnaire with activity ...

Background Although an increased concentration of degraded elastin products in patients with chronic obstructive pulmonary disease (COPD) has been reported for many years, its clinical validity and ...

A provisional certificate is a temporary official document issued by a university or educational institution as proof that a student has successfully completed their course and is awaiting the final ...

Abstract: Dunn's internal cluster validity index is used to assess partition quality and subsequently identify a “best” crisp partition of n objects. Computing Dunn's index (DI) for partitions of n ...

Technological innovations can seem relentless. In computing, some have proclaimed that “a year in machine learning is a century in any other field.” But how do you know whether those advancements are ...