Duolingo is arguably the most popular language learning app available today, as measured by its metric of achieving 500 million downloads in 2020, yet remarkably little research has been conducted regarding its implementation or efficacy as a language-learning tool. The handful of studies that do exist have found positive outcomes, although…

Online simulations offer opportunities for trial and error decision-making. What better tool for a principal than to make decisions when the consequences will not have real-world ramifications. In this study, two groups of graduate students in a principal preparation program taking the same course in the same semester use online simulations…

This paper investigates the processes by which visual mental images--the precept-like short-term memory representations--are created from information stored in long-term memory. It also presents a new method for studying image generation. Three experiments were conducted using college students as subjects. In the first experiment, a Podgorny and…