This article presents 3 standardized effect size measures to use when sharing results of an analysis of mediation of treatment effects for cluster-randomized trials. The authors discuss 3 examples of mediation analysis (upper-level mediation, cross-level mediation, and cross-level mediation with a contextual effect) with demonstration of the…

Researchers in the single-case design tradition have debated the size and importance of the observed autocorrelations in those designs. All of the past estimates of the autocorrelation in that literature have taken the observed autocorrelation estimates as the data to be used in the debate. However, estimates of the autocorrelation are subject to…

The purpose of this action research is to improve the achievement of students in general and, to examine the perception of students and teachers about cooperative learning, to identify major factors affecting the implementation of cooperative learning and to identify the possible strategies used to improve cooperative learning in Madawalabu…

Problem Statement: Today, immobility and resulting weight gain constitutes one of the greatest problems among young people. The greatest problem for individuals spending a lot of time on the Internet is immobility. The result of this status is spending less energy than the amount required daily. Immobility is considered a cause of being…

The study was conducted in order to detect critical thinking dispositions and learning styles of the students of school of physical education and sports, to explore whether there was a significant difference in terms of gender variable and academic department variable and, to discover the correlation between critical thinking tendencies and…

A multilevel meta-analysis can combine the results of several single-subject experimental design studies. However, the estimated effects are biased if the effect sizes are standardized and the number of measurement occasions is small. In this study, the authors investigated 4 approaches to correct for this bias. First, the standardized effect…

The present study was undertaken to compare the scientific temper of high and low achieving adolescent girl students. Random sampling technique was used to draw the sample from various high schools of District Srinagar. The sample for the present study consisted of 120 school going adolescent girls (60 high and 60 low achievers). Data was…

Purpose: The factors related with resilience, which is an important element of positive psychology, are still being discussed. The main purpose of this study is to examine the relationship between the resilience levels of individuals in emerging adulthood and the big five personality traits. Research Methods: Using a quantitative approach, the…

If estimates are based on samples, they should be accompanied by appropriate standard errors and confidence intervals. This is true for scientific research in general, and is even more important if estimates are used to inform and evaluate policy measures such as those aimed at attaining the Europe 2020 poverty reduction target. In this article I…

In this technical comment, we argue that Morgan et al.'s claim that there is no minority overrepresentation in special education is in error due to (a) sampling considerations, (b) inadequate support from previous and current analyses, and (c) their failure to consider the complexities of special education disproportionality. [For Morgan et al.'s…

Mind wandering--mentation unrelated to one's current activity and surroundings--is a ubiquitous phenomenon, but seemingly competing ideas have been proposed regarding its relation to executive cognitive processes. The control-failure hypothesis postulates that executive processes prevent mind wandering, whereas the global availability hypothesis…

The objective of this research was to study the readiness of English communication skills of tourism employees in Bangkok for entering the ASEAN community. The scope of this research included the employees from 26 tourism companies. A sample group was determined by utilizing multiple-stage sampling. At least three samples were collected from each…

The success of a team relies as much on the relationship between coaches and players as it does on athletic skill. Coaches, at times, become surrogate parental figures in the lives of their athletes and teammates become siblings who all work together towards a common goal. Athletes at the National Collegiate Athletic Association (NCAA) Division I…

Effect size use has been increasing in the past decade in many research areas. Confidence intervals associated with effect sizes are encouraged to be reported. Prior work has investigated the performance of confidence interval estimation with Cohen's d. This study extends this line of work to the analysis of variance case with more than two…

Due to statistical analysis, the issue of random sampling is pertinent to any quantitative study. Unlike quantitative study, the elimination of inferential statistical analysis, allows qualitative researchers to be more creative in dealing with sampling issue. Since results from qualitative study cannot be generalized to the bigger population,…