Using expert reviews and item response theory (IRT), this study evaluated the language- and culture-related construct-irrelevant variance and reliability of the 2019 TIMSS sense of school belonging scale (SSBS) for grades 4 and 8. The five items of the SSBS, which were identical for both grades, were reviewed for the language- and culture-related…

Family quality of life (FQoL) constitutes an important aspect of early intervention. However, the culture bound nature of this construct necessitates validation of FQoL measures when being used in a culture different from the one in which they were developed. This study sought to understand the psychometric properties and construct validity of the…

This study evaluated the construct validity and reliability of a newly devised 32-item problem quality rating scale intended to measure the quality of problems in problem-based learning. The rating scale measured the following five characteristics of problems: the extent to which the problem (1) leads to learning objectives, (2) is familiar, (3)…

This study investigates the structure and cross-cultural (in)variance of mathematical self-beliefs in relation to mathematics achievement in two world regions: Confucian Asia (Singapore, South Korea, Hong Kong and Taiwan) and Europe (Denmark, The Netherlands, Finland, Serbia and Latvia). This is done both pan-culturally and at a multigroup-level,…

The purpose of this study was to examine students' affective commitment toward Singapore. Affective commitment refers to the sense of attachment to the nation state. The sample was taken from 286 students in a primary school. In the first section of the paper, we described the design of a Likert-type Affective Commitment to Country questionnaire.…

Social skills are necessary for developing successful relationships and promoting learning. "Interpersonal skills" (IPS) are needed for maintaining friendships while "learning-related skills" (LRS) are required for positive classroom behaviours. In this study, we investigated the construct validity of LRS and IPS within two…

Research over several decades about subjective life satisfaction has led to the conclusion that the majority of people seem to be satisfied with their lives when their social and physical needs are met. In empirical studies which have used self-report instruments, this trend is reflected in respondents' consistent preference for the positive end…