Many experimental designs in educational and behavioral research involve at least one level of clustering. Clustering affects the precision of estimators and its impact on statistics in cross-sectional studies is well known. Clustering also occurs in longitudinal designs where students that are initially grouped may be regrouped in the following…

Multivariate analysis of variance (MANOVA) is a statistical method used to examine group differences on multiple outcomes. This article reports results of a review of MANOVA in gifted education journals between 2011 and 2017 (N = 56). Findings suggest a number of conceptual and procedural misunderstandings about the nature of MANOVA and its…

The current study aimed to identify teacher candidates' learning strategies and academic self-efficacy levels. Furthermore, the correlations between these variables and gender and departments were looked into. The study was mainly descriptive and correlational. The sample of the study consisted of 256 teacher candidates enrolled at a faculty of…

This study examined the psychometric properties of the school engagement measure (SEM) in Singapore. The sample consisted of 1,027 students from a multi-ethnic Singapore adolescent community. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) confirmed that the two-factor solution, namely, (a) Emotional and (b) Cognitive…

Purpose: The purpose of this study was to fill a gap in the literature by examining the relationship between dogmatism, locus of control, counselor self-efficacy, and counselor theoretical orientation in a sample of master's level practicum students. Method: A total of 45 master's practicum students completed a series of four instruments, the DOG…

This study investigates the canonical correlation between preservice teachers' lifelong learning beliefs and self-competency beliefs. Canonical correlation analysis is a sophisticated tool which has the capacity to explain the relationships between two sets of variables. For this aim, lifelong learning and self-competency beliefs of 1,242…

Drugging victimization is an understudied phenomenon. This study examines the relationship between the campus party culture and drugging victimization. Campus party culture has been shown to influence risk of other types of victimization, and there is reason to believe it may also influence drugging victimization. Using three behavioral indicators…

Lesbian, gay, and bisexual (LGB) college students are among the most vulnerable to suicidal ideation and behaviors when compared to both heterosexual college students and other, generally older, members of the LGB community (Oswalt & Wyatt, 2011). Joiner's (2005) interpersonal psychological theory of suicide seems to be a possible framework…

Data were acquired from a total of 422 university students with 216 female and 206 male students via Couple Attachment Scale, Stress Coping Styles Scale and Coopersmith Self-Esteem Inventory. Positive and statistically significant relationships were determined between self-confident approach, optimistic approach and social support approach…

Today's educational mission statements at national, state, and local levels revolve around much the same thing--preparing students with skills to compete and succeed on a global level. The Partnership for 21st Century Skills (2008) reports cognitive skills are significantly more important for the global economic success of a country, and in order…

What causes the literacy gap and can schools compensate for it? The authors investigated 3 drivers of the gap: preliteracy knowledge, schooling, and the summer vacation. Longitudinal literacy data over 5 time points were collected on 126 five-year-olds attending higher or lower socioeconomic status (SES) schools during their first 15 months of…

Background: Children of parents with intellectual impairment are thought to be at risk for poor social-emotional well-being. This study investigated the relationship between maternal intellectual impairment and poor child social-emotional well-being. Method: Secondary analysis of data from waves 2-4 of the Millennium Cohort Study (UK).…

In the age of dense international relations, heightened by intensive migration flows and local ethnic identity strengthening, the study of social representations of ethnic "others" in public consciousness permit to fulfill the evaluation of the current interethnic situation in the country, explore the latent unconscious groundings for…

I discuss three common practices that obfuscate or invalidate the statistical analysis of randomized controlled interventions in applied linguistics. These are (a) checking whether randomization produced groups that are balanced on a number of possibly relevant covariates, (b) using repeated measures ANOVA to analyze pretest-posttest designs, and…

Technology provides new methods and approaches for educational activities. Therefore, teachers should improve their ability and knowledge to integrate technology into instruction. The use of technology-based learning environment which is effectively used to improve the technological pedagogical content knowledge of pre-service teachers has a…