Over the last century hundreds of studies have demonstrated that testing is an effective
intervention to enhance long-term retention of studied knowledge and facilitate mastery of …

Educational research is repeatedly confronted with the question of its relevance. Current
interpretations of relevance narrowly focus on outcomes and impact of research. In this …

Researchers commonly interpret effect sizes by applying benchmarks proposed by Jacob
Cohen over a half century ago. However, effects that are small by Cohen's standards are …

A survey targeting education researchers conducted in November 2020 provides forecasts
of how much achievement gaps between low-and high-income students in US elementary …

This article is a slight revision of a keynote lecture presented at the 15th International
Congress of Qualitative Inquiry in Illinois in 2019. It argues that to experiment and create the …

Prior research has revealed robust and consistent relations between spatial and
mathematical skills. Yet, establishing a causal relation has been met with mixed effects. To …

The first question has been the topic of much debate, particularly in relation to the use and
misuse of p values (Nuzzo, 2014; Trafimow & Marks, 2015; Wasserstein & Lazar, 2016). In …

Well‐established theoretical models and a body of empirical research elucidate the critical
role of content knowledge in comprehending texts. However, the potential of supporting …

Improving student achievement through professional development (PD) is both highly
sought-after and elusive. This four-arm randomised controlled trial evaluated effects of …

Online education is rapidly expanding in response to rising demand for higher and
continuing education, but many online students struggle to achieve their educational goals …