The aim of this study was to develop an instrument for assessing sixth-grade students' number sense skills in fractions and decimals. This study was conducted on 452 sixth graders (10-11 years old) from the western region of Turkey. The construct validity of the number sense test (NST) was examined via exploratory factor analysis (EFA) and…

This study attempted to create a valid and reliable instrument to measure how gifted children perceive the gifted label and others' perceptions of giftedness. We recruited a total of 300 gifted Turkish children (59.3% males; 40.7% females) aged 10-13 years (M = 11.4, SD = 0.99) to this validity and reliability study. For validity concerns, we…

Since the original and adapted versions of the scales that aim to measure foreign language enjoyment may not be appropriate for learners with low English proficiency levels, it seems necessary to develop scales in their native languages. This study aims to create a valid and reliable scale of foreign language learning enjoyment that can be applied…

The aim of this study was to adapt the Positive and Negative Affect Scale for Children (PANAS-C) developed by Laurent et al. into Turkish and to examine its validity and reliability on high school adolescents. The data of the study were analyzed with four different study groups. The first study group consisted of 414 high school adolescents, 262…