Applied researchers often find themselves making statistical inferences in settings that would seem to require multiple comparisons adjustments. We challenge the Type I error paradigm that underlies these corrections. Moreover we posit that the problem of multiple comparisons can disappear entirely when viewed from a hierarchical Bayesian…

The authors of the study "The Long-Term Impact of Teachers" claim that their study shows that increases in teacher value-added lead to significant and lasting increases in test scores and significant increases in income that will last throughout adulthood. Instead, I show that these claims are false because they are contradicted by the…

Although instructional development has become an important topic in higher education, little is known about the impact on teaching practice. In this study we investigate the impact of instructional development on teachers' teaching behaviour as perceived by students. Quantitative student data were assembled for 15 experimental and 12 control…

The purpose of this research was to examine the influence of specialised software on the visual-motor integration of profoundly deaf children. The research sample was made up of 70 students aged from seven to 10, 43 of whom formed the experimental group and 27 the control group. The students in the experimental group used computers once a week…

As a part of an opening course survey, data on eye color and gender were collected from students enrolled in an introductory statistics course at a large university over a recent four year period. Biologically, eye color and gender are independent traits. However, in the data collected from our students, there is a statistically significant…

The amount of oral language exposure a young child receives affects the child's reading-readiness skills. Factors that affect the increase of language and thus affect the reading success of children include oral language ability, learning opportunities, and behaviors that young children experience. Oral language development includes gaining…

This study presents the findings related to the use of homebound instruction as a special education service model and to the practices and perceptions of service providers in the areas of personal effectiveness, model effectiveness, and administrator support. A self-administered survey was distributed to a national sample of 484 educators from two…

Health disparities in minorities and those of low socioeconomic status persist despite efforts to eliminate potential causes. Differences in the delivery of services can result in different healthcare outcomes and therefore, a health disparity. Some of this difference in care may attribute to discrimination resulting from clinical biases and…

This study examined the impact that the teaching technique known as cooperative learning had on the changes between pre- and post-test scores on all sub-categories ("induction, deduction, analysis, evaluation, inference", and "total composite") associated with the "California Critical Thinking Skills Test" (CCTST) for…

Young children with autism often experience delays in social skills and social competence. These delays result in poor relationships and decreased social interactions and engagement, and eventually, social isolation and withdrawal. Social skills deficits are also correlated to behavioral and emotional difficulties. Addressing these delays is…

The primary purpose of this quantitative study was to examine if simulation training correlated with the decision-making abilities of firefighters from two departments (one in a mountain state and one in a southwest state). The other purposes were to determine if firefighter demographics were correlated with the completion of the simulation…

Since heterogeneity between reliability coefficients is usually found in reliability generalization studies, moderator analyses constitute a crucial step for that meta-analytic approach. In this study, different procedures for conducting mixed-effects meta-regression analyses were compared. Specifically, four transformation methods for the…

The concept of teacher accountability assumes teachers will use data-driven decision making to plan and deliver appropriate and effective instruction to their students. In order to do so, teachers must be able to accurately interpret the data that is given to them, and that requires the knowledge of some basic concepts of assessment and…

Early math skills are a strong predictor of later achievement for young children, not only in math, but in other domains as well. Exhibiting strong math skills in elementary school is predictive of later high school completion and college attendance. To that end, the Making Pre-K Count and High 5s studies set out to rigorously assess whether…

The District of Columbia (DC) Opportunity Scholarship Program (OSP) was created by Congress in 2004 to provide tuition vouchers to low-income DC parents who want their child to attend a private school. Reauthorized in 2011 by the Scholarships for Opportunity and Results (SOAR) Act, the program places a priority on serving students leaving…