To plan cluster-randomized trials with sufficient statistical power to detect intervention effects on student achievement, researchers need multilevel design parameters, including measures of between-classroom and between-school differences and the amounts of variance explained by covariates at the student, classroom, and school level. Previous…

As the number of English Language Learners (ELLs) continues to grow in our country, schools are looking for ways to better identify and to help those who need English as a Second Language (ESL) services (Mossaad, 2016). ELLs present a unique challenge to school districts as some perceive that the federal guidelines are vague, but require school…

The capacity of the field to conduct power analyses for group randomized trials (GRTs) of educational interventions has improved over the past decade (Authors, 2009). However, a power analysis depends on estimates of design parameters. Hence it is critical to build the empirical base of design parameters for GRTs across a variety of outcomes and…

The Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011), is collecting information about the early educational experiences of a nationally representative sample of children who were in kindergarten or who were of kindergarten age in ungraded classrooms or schools in the 2010-11 school year. The data collection began in…

In this article, the authors discuss the utility of combining quantitative and qualitative methods in conducting intersectional analyses. First, they discuss some of the paradigmatic underpinnings of qualitative and quantitative research, and how these methods can be used in intersectional analyses. They then consider how paradigmatic pragmatism…

One purpose of educational research is to provide information about the likely impact of interventions or treatments on policy-relevant populations of students. Randomized experiments are useful for estimating the causal effects of interventions on the students in schools that participate in the experiments. Unfortunately, the samples of schools…

Background: The Thinking Styles Inventory--developed by Sternberg and Wagner based on Sternberg's (1988, 1997) earlier theory of mental self-government--was selected for the research in order to assess thinking styles of student teachers. Another reason is that the theoretical constructs, as well as the inventory generated from the theory, have…

Increased focus on assessment of student learning in the accreditation of higher education institutions offers new, challenging opportunities for institutional researchers. This article explores how institutional researchers can maximize these opportunities by offering methodological guidance in the assessment process and by designing new studies…

This paper presents a general model for conceptualizing and testing the interactions of individual differences and subject-matter characteristics with instructional methods. The model postulates certain ways of classifying the variables of interest in such investigations and of conceptualizing the cause-and-effect relationships among those classes…

(NOTE: See HE 512 216 for journal name change information.) The findings, methodology, and policy implications presented in Astin's longitudinal study of college students, are reviewed by four higher education scholars. These include J. Bruce Francis, Gerald Gurin, Arthur W. Chickering, and G. Lester Anderson. (SF)

A quasi-experimental research design with quantitative and qualitative methodologies was conducted to explore reactions of 21 students to treatment manuals for substance abuse. Students were randomized to experimental (n = 11) and attention-control (n = 10) groups involving exposure to one of two manual-based therapy interventions. Quantitative…

A stratified two-stage cluster sample design was chosen for the Texas Assessment Project and is described in this document. The sample was designed so as to achieve a chosen level of precision in item analysis data within each of the 20 geographic regions chosen for analysis. Four sampling frames were developed: 9-year-olds; sixth graders;…

This paper presents the research and methodology and analyses used for the "Gaining Ground in the Middle Grades" research. This appendix contains the following sections: (1) Overview; (2) Constructing the Survey Data File; (3) Constructing Composite Independent Variables (Subdomains); (4) Constructing Longitudinal Outcome Variables; (5)…

This paper presents findings on predictive models used to identify student characteristics associated with persistence and success in the Administration of Justice (ADJ) program at Blue Ridge Community College (Virginia). Data mining was used to discover patterns and relationships in the data, and analysis was performed using the SPSS program,…

The relationship between social studies preference and other subject matter preferences of elementary children over a two-year period is analyzed. A forced-choice test requiring students to rank order five basic subjects was administered to 75 pupils in randomly selected third-grade classes. Students represented the socioeconomic structure of an…