Measurement quality has recently been highlighted as an important concern for advancing a
cumulative psychological science. An implication is that researchers should move beyond …

Background: During the 20th century the alpha coefficient (α) was widely used in the
estimation of the internal consistency reliability of test scores. After misuses were identified …

Based on recent psychometric developments, this paper presents a conceptual and practical
guide for estimating internal consistency reliability of measures obtained as item sum or …

En este trabajo se presenta una guía conceptual y práctica para estimar la fiabilidad de
consistencia interna de medidas obtenidas mediante suma o promedio de ítems con base …

Background and purpose In health care, information technologies (IT) hold a promise to
harness an ever-increasing flow of health related information and bring significant benefits …

In this study, validity aspects of the Strengths and Difficulties Questionnaire (SDQ) self-report
and parent-report versions were assessed among Dutch adolescents aged 12 to 17 years …

Abstract Background The Strengths and Difficulties Questionnaire (SDQ) is widely used to
screen for psychosocial problems among adolescents. As the severity of such problems is …

Background Motivation is critical for supporting persistence and achievement in science,
technology, engineering, and mathematics (STEM) disciplines. In this study, we focus on the …

Background: Motor competence (MC) has been recognized as a main goal in Physical
Education (PE) and a determining element for the promotion of Physical Activity (PA). The …

(1) Background: The association between actual and perceived motor competence (MC) is
one of the underlying mechanisms that influence the practice of physical activity. This study …