The aim was to determine the validity and test-retest reliability of the Sit to Stand App variables (rising time, vertical velocity, and power) for measuring single-leg sit-to-stand (STS) test compared to those derived from ground reaction force data. Twenty-seven female athletes performed the single-leg STS test over three consecutive sessions…

Background: A feasible and reliable instrument to measure strength in persons with severe intellectual and visual disabilities (SIVD) is lacking. The aim of our study was to determine feasibility, learning period and reliability of three strength tests. Methods: Twenty-nine participants with SIVD performed the Minimum Sit-to-Stand Height test…

The purpose of this study is to present a review of instruments developed to measure perceptions of special educators regarding their competencies and to provide a synthesis of research studies using these measurement instruments. A total of 29 studies were included in this review, and 20 instruments were used across the studies. The results were…

Individuals' perceptions or beliefs about their mathematical aptitude are commonly classified as mathematics self-efficacy. Conversely, metacognitive awareness is characterized as a phenomenon that presents itself in a variety of ways as people engage with objects and circumstances in their everyday lives. The objective of this quantitative…

There is a paucity of instruments designed to measure social competence of adolescents with autism spectrum disorders. The Social Responsiveness Scale is one of a few that can be used. This study compared differences between mother and father reports of social competence of adolescents. Data were collected from parents of 50 adolescents with and…

Psychometric properties of item response theory proficiency estimates are considered in this paper. Proficiency estimators based on summed scores and pattern scores include non-Bayes maximum likelihood and test characteristic curve estimators and Bayesian estimators. The psychometric properties investigated include reliability, conditional…

Classrooms are a primary site of evidence about learning. Yet classroom proceedings often occur behind closed doors and hence evidence of student learning is observable only to the classroom teacher. The informal and undocumented nature of this information means that it is rarely included in statistical models or quantifiable analyses. This…

It would appear that traditional modelsof reliability, in which reliability estimates for an individual are estimated from group data, could yiel more accurate estimates if individual difference variables, such as response consistency, were taken into consideration in the estimation of reliability. (DG)

This is a book about quality and how to control quality through deliberate actions on the part of the professionals developing and implementing the instances of instruction available at an organization. Quality control theory favors no particular learning philosophy and is only directed towards aspects of how, what, where and when measurements are…

This book presents a nontechnical, step-by-step process that shows how to evaluate any 360-degree-feedback instrument intended for management or leadership development. The 360-degree-feedback instruments collect information from different sources about a target manager's performance, and they offer multiple perspectives. The 16 steps in…

A two-stage testing procedure, a routing test followed by one of several alternative second-stage tests, is studied in the situation where the purpose is measurement, not classification. Models are developed, examined, and compared with conventional tests and up-and-down procedures. (DG)

This paper involves an application of generalizability theory in assessing the dependability of a foreign language placement exam. The French Cloze test was administered to students within five levels of French classes and the results were scored by four different raters. Three specific generalizability coefficients are discussed along with…

Weighting test scores by appropriateness of confidence, has almost without exception raised the reliability of test scores. Greater gains appear to occur for the less reliable tests, but that is at least partly because the more reliable a test is to begin with, the more difficult it is to improve it. If confidence-testing allows us to weight…