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A primer on multivariate analysis of variance (MANOVA) for behavioral scientists
Reviews of statistical procedures (e.g., Bangert & Baumberger, 2005; Kieffer, Reese, & Thompson, 2001; Warne, Lazo, Ramos, & Ritter, 2012) show that one of the most common multivariate statisticalExpand
Critical Thinking as Disciplinary Practice
Critical thinking in psychology has traditionally focused on method-centered tasks such as the assessment of method use, data analysis, and research evidence. Although helpful in some ways, this formExpand
Estimating confidence intervals for eigenvalues in exploratory factor analysis
Two methods of estimating CIs for eigenvalues are demonstrated: one based on the mathematical properties of the central limit theorem, and the other based on bootstrapping. Expand
Statistical Methods Used in Gifted Education Journals, 2006-2010
This article describes the statistical methods used in quantitative and mixed methods articles between 2006 and 2010 in five gifted education research journals. Results indicate that the mostExpand
Evaluating a proposed modification of the Guttman rule for determining the number of factors in an exploratory factor analysis
Exploratory factor analysis (EFA) is a widely used statistical method in which researchers attempt to ascertain the number and nature of latent factors that explain their observed variables. WhenExpand
Research on the Academic Benefits of the Advanced Placement Program
This article summarizes the state of knowledge about the academic benefits of AP, and makes suggestions for researchers to use new methodologies to investigate new scientific and policy questions and new student populations to improve the educational scholars’ and practitioners’ understanding of the AP program. Expand
The Impact of Participation in the Advanced Placement Program on Students' College Admissions Test Scores
ABSTRACT The Advanced Placement (AP) program is an educational program that permits high school students to take introductory college-level courses and receive college credit by passing aExpand
The Impact of Race and Ethnicity on the Identification Process for Giftedness in Utah
Many gifted education experts have found that Black, Hispanic, and Native American students are less likely to be identified for gifted programs than Asian American and White students. A study wasExpand
An Evaluation (and Vindication?) of Lewis Terman: What the Father of Gifted Education Can Teach the 21st Century
Lewis Terman is widely seen as the “father of gifted education,” yet his work is controversial. Terman’s “mixed legacy” includes the pioneering work in the creation of intelligence tests, the firstExpand
Managing clustered data using hierarchical linear modeling.
Hierarchical linear modeling is a statistical method that can overcome violations of the independence assumption and lead to correct analysis of data, yet it is rarely used in nutrition research. Expand