The purpose of this study was to evaluate the degree of classification quality in the basic latent class model when covariates are either included or are not included in the model. To accomplish this task, Monte Carlo simulations were conducted in which the results of models with and without a covariate were compared. Based on these simulations,…

Measures of positive well-being are needed to support the shift away from a deficit-based approach to mental health. This study examined one measure, the Mental Health Continuum-Short Form (MHC-SF), as a measure of positive well-being used in school-based mental health monitoring efforts. This study used latent profile analysis (LPA) to explore…

Children's picture books are introduced to children during their foundational years and is often a child's first exposure to culture. It is imperative that those depictions are authentic portrayals of African American culture. This study is a replication of Ussery's 2006 analysis of the characterization of African American characters in award…

Multilayer perceptron neural networks, Gaussian naive Bayes, and logistic regression classifiers were compared when used to make early predictions regarding one-year college student persistence. Two iterations of each model were built, utilizing a grid search process within 10-fold cross-validation in order to tune model parameters for optimal…

The main objective of the article is to compare several methods of evaluating multiple-choice options through classical item analysis. The methods subjected to examination include the tabulation of choice distribution, the interpretation of trace lines, the point-biserial correlation, the categorical analysis of trace lines, and the investigation…

Research has shown that construction projects in Saudi Arabia have had a perceived poor performance for the past three decades, from 1970-2016. The Saudi construction industry relies on a Contractor Classification System (CCS) to determine contractors' capabilities, and prevent underperformance. Through this study, a survey was conducted among…

The Individuals with Disabilities Education Act (IDEA; P.L. 108-446) is the primary source of federal funding to states for the identification and education of children with disabilities. The majority of IDEA appropriations are allocated to states by formula to carry out activities under Part B, which covers 14 disability categories. Each state is…

In the formation education that is carried out within the scope of undergraduate and non-thesis graduate programs within the same university, different criteria are used to evaluate students' success. In this study, classification accuracy of letter grades that are generated to evaluate students' success using relative and absolute criteria and…

The transformation of coursebook publishing into an industrial giant has brought about variety, choice, and difficulty of decision making. As coursebook selection profoundly influences the quality of foreign language instruction in Turkey, it is essential to investigate what kind of instruments are used, which method is followed, what criteria are…

Online Q&A discussion forums have recently become important information resources for students and studies have shown that online discussion forums have a positive influence on learning outcomes. However, it remains unclear how the specific characteristics of these forums contribute to this effect. This paper employed a set of evaluative…

In this article the author discusses public reaction generated by the Times Higher Education (THE) World University Rankings. He argues that it is not simply that the methodologies adopted by the main rankers -- Times Higher Education (THE), QS and the Shanghai Jiao Tong University -- are diverse and open to the usual interpretation, but there…

The serious games community is moving toward research focusing on direct comparisons between learning outcomes of serious games and those of more traditional training methods. Such comparisons are difficult, however, due to the lack of a consistent taxonomy of game attributes for serious games. Without a clear understanding of what truly…

Because of their high prevalence and their negative long-term consequences, child anxiety disorders have become an important focus of interest. Whether pathological anxiety and normal fear are similar processes continues to be controversial. Comparative studies of child anxiety disorders are scarce, but there is some support for the current…

The number of university rankings systems in use around the world has increased dramatically over the last decade. As they have spread, they have mutated; no longer are ranking systems simply clones of the original ranking systems such as "US News" and "World Report". A number of different types of "mutation" have occurred, so that there are now…

The purpose of this study was to classify higher education institutions according to institutional performance rather than predetermined benchmarks. Institutional performance was defined as research performance and classified using Hierarchical Cluster Analysis, a statistical method that classifies objects according to specified classification…