The main aim of this study is to develop a useful, valid, and reliable two-tier proportional reasoning skill test for middle school 7th and 8th-grade students. The research was carried out using the sequential explanatory mixed method. The study group of this research comprised of 391 (n[subscript 7th-grade]=223, n[subscript 8th-grade]=168)…

This study classifies the verbal feedback of science teachers into praise statements, effort-based feedback statements, negative feedback statements, and ability-based statements, which are also regarded as feedback strategies. The study aims to investigate the feedback strategies used by science teachers in the classroom setting using descriptive…

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…

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…

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…

"No Child Left Behind" has highlighted the need for new types of assessments that not only provide high-quality evidence about what students know and can do, but also help to move learning forward. This paper describes a linked set of formative and summative reading assessments designed to address the tradeoffs inherent in these two…

The Texas Assessment of Academic Skills (TAAS) test was the major source of data for the Texas educational accountability system from 1994 through 2002. Contrary to critics who claim that TAAS data are invalid and unreliable measures of student performance, structural equation analyses of TAAS reading data based on the 1994 Texas third grade…

In this technical report, data are presented on the practical utility, reliability, and validity of the easyCBM[R] mathematics (2009-2010 version) measures for students in grades 3-8 within four districts in two states. Analyses include: minimum acceptable within-year growth; minimum acceptable year-end benchmark performance; internal and…