Multiple meta-analyses have now documented small positive effects of teacher professional development (PD) on pupil test scores. However, the field lacks any validated explanatory account of what differentiates more from less effective in-service training. As a result, researchers have little in the way of advice for those tasked with designing or…

During COVID-19 period, positive psychology and positive aspects of human nature become important. The aim of this study is to examine the mediating role of self-transcendence and psychological resilience in the relationship between fear of COVID-19 and subjective happiness in university students during the COVID-19 period. The Fear of COVID-19…

This article speaks to the debate regarding the proper size of university administrations by presenting the results of an examination of how the relative size of administrative components within U.S. research universities affects the job stress of faculty members. Using national survey data merged with workforce data from the Integrated…

Sound educational policy recommendations require valid estimates of causal effects, but observational studies in physics education research sometimes have loosely specified causal hypotheses. The connections between the observational data and the explicit or implicit causal conclusions are sometimes misstated. The link between the causal…

With the advancements in broad-spectrum sunscreens and the recent bans on benzene-based sunscreens due to their environmental toxicity, there has been a push toward broad-spectrum sunscreens containing in organic active ingredients. In this study, a procedure was developed to analyze the particle size and size distribution of inorganic active…

This quantitative, correlational study compared the perceptions of grading practices and outcomes between teachers who teach in standards-based and traditional grading systems. Using the Teachers Perceptions of Grading Practices Scale, data was collected from a total of 217 elementary teachers and 120 middle school teachers representing seven…

Although extensive research has focused on the perceptual abilities of second language (L2) learners, a significant gap persists in understanding how cognitive functions like phonological short-term memory (PSTM) and nonverbal intelligence (IQ) impact L2 speech perception. This study sets out to investigate the discrimination of L2 English…

Scaffolds that support self-regulated learning (SRL) have been found to improve learning outcomes. The effects of scaffolds can differ depending on how learners use them and how specific scaffolds might influence learning processes differently. Personalized scaffolds have been proposed to be more beneficial for learning due to their adaptivity to…

Aims: To determine the associations between COVID-19 school closures and school readiness skills for Chinese kindergarteners. Design: We utilized the natural experimental condition created by local COVID-19 outbreaks in 2022 (Study 1) to compare school readiness skills of children whose kindergartens were closed for 5 months (Group 1) with…

Writing is an essential element of literacy development, and language plays a central role in the composing process, including developing, organizing, and refining ideas. Language and writing are interconnected, making it paramount for educators to attend to the development of deaf students' language skills. In this quasi-experimental study, we…

Background: ADHD is highly prevalent in adolescents. ADHD is characterized by heightened impulsive behavior and is often associated with increased risk-taking behavior in adolescence. Previous research has mostly focused on negative aspects of risk-taking behavior. However, recently two other types of risk-taking behavior have been identified:…

Objectives: There is a need to examine the utility of objective measures of attention-deficit/hyperactivity disorder (ADHD) symptoms in children. Objective measures of ADHD symptoms, such as physical activity, may provide a more nuanced assessment of behavior that can be used to augment traditional cross-informant ratings of ADHD symptoms by…

Background: Migrants are the key population for tuberculosis (TB) transmission in China. However, it remains unknown how many migrants have received TB education and through what means. Objectives: To identify the rate and methods of TB education among migrants in China by using nationally representative data. Method: This study used secondary…

We compared the influence of open-book extended duration versus closed book time-limited format on reliability and validity of written assessments of pharmacology learning outcomes within our medical and dental courses. Our dental cohort undertake a mid-year test (30xfree-response short answer to a question, SAQ) and end-of-year paper (4xSAQ,…

This study explored how visual input enhancement impacts caption-reading behaviors, the acquisition of English collocations, and the recall of onscreen captions. The participants comprised 53 Korean undergraduate students at a high-intermediate level of English proficiency. They were assigned to either a baseline or an enhancement group. The…