Purpose: Norm-referenced, standardized measures are tools designed to characterize a child's abilities relative to their same-age peers, but they also have been used to measure changes in skills during intervention. This study compared the psychometric properties of four types of available scores from one commonly used standardized measure, the…

In this study, we propose aggregating test scores with unidimensional within-test structure and multidimensional across-test structure based on a 2-level, 1-factor model. In particular, we compare 6 score aggregation methods: average of standardized test raw scores (M1), regression factor score estimate of the 1-factor model based on the…

There is a major trend in engineering education to provide students with realistic hands-on learning experiences. This paper reports on the results of work done to develop standardized test instruments to use for student learning outcomes assessment in an experiential hands-on manufacturing engineering and technology environment. The specific…

Verb use and the production of verb argument structure in the written texts of children in elementary school is a key stepping stone towards academic writing success that has remained relatively unexplored and is a notable gap in our understanding of writing development. To evaluate the role of verbs in the written narrative texts of children, we…

Critics of charter schools in New York City, America's largest school district, often allege that charters score better on standardized tests, on average, than traditional public schools because charters "cream-skim" (i.e., attract) the brightest, most motivated, students. Yet this accusation neglects the fact that not all traditional…

Economists often use test scores to measure a student's performance or an adult's human capital. These scores reflect non-trivial decisions about how to measure and scale student achievement, with important implications for secondary analyses. For example, the scores computed in several major testing regimes, including the National Assessment of…

The purpose of the study was to examine the impact of a teacher's preparation program on the academic achievement of eighth grade students in the areas of mathematics, reading, science, and social studies. Prior to the implementation of the No Child Left Behind Act (NCLB) in 2001, the majority of classroom teachers earned their teaching…

In the performance-driven culture of education today, though arguments regarding the definition of student success abound, few argue its importance. This issue is complicated with an additional dimension for those who are learning English as a second language. For those students who lack proficiency in the English language, academic content must…

Standardized tests are widely used in intellectual disability research, either as dependent or control variables. Yet, it is not certain that their items give rise to the same performance in various groups under study. In the present work, 48 participants with Down syndrome were matched on their raw score on Raven's Colored Progressive Matrices…

Raven's Coloured Progressive Matrices (RCPM) is a standardised test that is commonly used to obtain a non-verbal reasoning score for children. As the RCPM involves the matching of a target to a pattern it is also considered to be a visuo-spatial perception task. RCPM is therefore frequently used in studies in Williams Syndrome (WS), in order to…

The researchers wanted to continue in their university's previous study of nature awareness and science achievement, specifically examining the effects of nature in the achievement of seventh-grade students. This further study offered valuable insight to the inconclusive findings of previous researchers of nature awareness and science achievement.…

The population sensitivity of vertical scaling results was evaluated for a state reading assessment spanning grades 3-10 and a state mathematics test spanning grades 3-8. Subpopulations considered included males and females. The 3-parameter logistic model was used to calibrate math and reading items and a common item design was used to construct…

In writing assessment, there are quite a number of factors influencing the marking stability and the reliability of the assessment such as the attitude towards marking and consistency of markers, the physical environment, the design of the items, and marking rubrics. Even the methods to train markers have effects on the reliability of the…

This study investigated predictors that influence the science achievement of African-American non-science majors in a Physical Science class. The population consisted of male and female college students enrolled in Physical Science courses at a historical black college or university (HBCU) located in the southeastern portion of the United States.…

Provides a comprehensive and integrated treatment of both conditional absolute standard errors of measurement (SEM) and conditional relative SEMs from the perspective of generalizability theory. Illustrates the approach with examples from commercial standardized tests. Examples support the conclusion that both types of conditional SEMs tend to be…