"Grit" is a stable and measurable trait. It refers to the individual's ability to maintain efforts and interest in projects that take time to complete and are useful in educational contexts. In this study we investigated the validity of a short version of the Grit |International Assessment Scale, Portuguese Version (EAGrit-LP) based on…

Purpose: The present study aimed to validate the Indonesian-language version of the psychological capital questionnaire (PCQ), specifically within the context of higher education, by utilising Rasch analysis to evaluate the reliability and validity aspect such as item-fit statistics, rating scale function, and differential item functioning of the…

The current study presents the development process and initial validation of a measure designed for assessing psychological needs satisfaction in a secondary school physical education context (Psychological Needs Satisfaction Scale in Physical Education, PNSSPE). Junior secondary school (grades 7 to 9) students (N?=?1,258) were invited to…

The Family Health Scale is an instrument designed to quantify the quality of psychiatrically labeled or nonlabeled family functioning from the perspective of an external clinical observer. Clinical judgment is exercised in rating, based on information available and ideally from a valid standardized method of direct observation. Discusses…

The Test Battery for Mentally Handicapped Children (TBGB) was developed for the psychological diagnosis of mentally handicapped children in West Germany to provide diagnostic information relevant to educational programing. Reliablity coefficients were completed, tests of validity were undertaken, and the utility of the TBGB for differential…