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

Many psychological constructs are conceived to be hierarchically structured and thus to
operate at various levels of generality. Alternative confirmatory factor analytic (CFA) models …

Cronbach's alpha (α) is a widely-used measure of reliability used to quantify the amount of
random measurement error that exists in a sum score or average generated by a multi-item …

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 …

Reliable measurements are key to social science research. Multiple measures of reliability
of the total score have been developed, including coefficient alpha, coefficient omega, the …

While the Edinburgh Handedness Inventory has been widely used, there have been few
studies assessing its factorial validity. There is evidence that the original instructions and …

In this research, we examine empirically the impact of sustainable supply chain practices on
financial performances, considering the case of Indian firms. Here, we use a sample of 25 …

To improve mathematics education and achievement, research needs to identify factors that
support and motivate students to learn and achieve in math. The purpose of this study was to …

Because testing time in educational research is typically scarce, the use of long scales to
assess motivational-affective constructs can be problematic. The goal of the present study …