The present study assesses the factor structure, psychometric adequacy, and invariance across sex and age of the Relational Provisions Loneliness Questionnaire (RPLQ). Discriminant validity with an external criterion was also tested. In a sample of Portuguese adolescents, from 7th to 9th grade (N = 817), Confirmatory Factor Analyses (CFA) were…

A scale for measuring self-efficacy for teaching mathematics in grades 5 to 10 was developed in this study for teachers in Oman. The participants were 328 mathematics teachers randomly selected from five educational governorates in the Sultanate of Oman. Factorial structure of the scale revealed three subscales: self-efficacy for understanding the…

The purpose of this research is to develop a reliable and valid instrument in order to determine the elementary school students' levels about reflective thinking. A total of 320 students of 6th, 7th and 8th grades from 6 different primary schools participated in the study. It was identified that the instrument was composed of totally 17 items with…

The purposes of this study are twofold. First, to investigate the construct or factorial structure of a set of Reading and Mathematics computerized adaptive tests (CAT), "Measures of Academic Progress" (MAP), given in different states at different grades and academic terms. The second purpose is to investigate the invariance of test…

Student perceptions of school climate represent the ways students feel about the school environment. These include perceptions regarding safety, teaching and learning, and relationships within the school. It has been found that student perceptions of school climate are positively correlated with academic achievement (Brookover et al., 1978), and…

This research was conducted to examine the reliability and construct validity of Turkish version of physical education activities scale (PEAS) which was developed by Thomason (2008). Participants in this study included 313 secondary and high school students from 7th to 11th grades. To analyse the data, confirmatory factor analysis, post hoc…

The current study presents a newly developed measurement: the TEMO (Teacher and Motivation) scale, which assesses adolescent students' perception of liked and disliked teachers and the resulting impact on their academic motivation. A total of 1,088 students from secondary schools in Germany participated in this study. To explore the underlying…

The Authoritative School Climate Survey was designed to provide schools with a brief assessment of 2 key characteristics of school climate--disciplinary structure and student support--that are hypothesized to influence 2 important school climate outcomes--student engagement and prevalence of teasing and bullying in school. The factor structure of…

English language learners (ELLs) constitute one of the fastest growing subpopulations of students in the United States. It is important to determine whether the assessments used by states in determining students' proficiencies are valid and fair for ELLs. This study focused on several standards-based assessments in mathematics and science…

Purpose: This study asked if children's performance on language tests reflects different dimensions of language and if this dimensionality changes with development. Method: Children were given standardized language batteries at kindergarten and at second, fourth, and eighth grades. A revised modified parallel analysis was used to determine the…

The authors evaluate the validity of the Social Provisions Scale for physical activity among adolescent Black (n = 896) and White (n = 823) girls. The girls completed the scale and measures of subjective norms and physical activity in the eighth and ninth grades. Within the sample of White girls, the Social Provisions Scale contained 24 items that…

In this study, the Resilience Scale for Adolescents (READ) was developed with confirmatory factor analysis and cross-validated factor model. The results show that the READ has sound psychometric qualities and that it measures all the central aspects of the psychological construct of resiliency. (Contains 4 tables.)