This study sought to validate the Short Grit Scale (Grit-S), an instrument that measures perseverance and passion for long-term goals, among Chinese high school students. Confirmatory factor analyses revealed that the scale retains the two-factor structure of the original scale. The scale demonstrated satisfactory internal consistency and…

Psychometric practice does not always converge with the advances of psychometric theory. In order to investigate this gap, the authors focus on the 10 most used psychological tests in Europe, as identified by recent surveys. The article analyzes test manuals published in 6 different European countries for these 10 most used tests. A total of 32…

Reported a self-report measure of adolescents' assertiveness. Items for the scale were presented to sixth-grade students. Factor analysis revealed factors of submissiveness, aggressiveness, and assertiveness. After the validational study, a small assertiveness training program indicated that training effects were obtained and could be generalized…