Despite some rises and falls in the numbers due to various reasons, including the political climate in the Trump era and the COVID-19 pandemic (Laws & Ammigan, 2020), each year universities in the United States host a large number of multilingual international students from different parts of the world. Based on their TOEFL scores, many are…

Vocabulary researchers generally point out three strategies that learners apply in order to find out the meanings of unknown words on their own (Graves, 2006; 2007). The use of context, word parts, reference materials ((e.g. dictionaries, glossaries, thesauruses, both print and online) in-text definition/explanations, synonyms, examples,…

The present investigation was designed to determine if the learning benefits of metaphors and graphics could be combined into one instructional device--a metaphorical graphic--to aid in the acquisition of difficult concepts of chemistry. The authors further sought to determine if metaphorical graphics could foster greater retention of the basic…

This paper describes the conceptualizations, or mental models, of the nature of the bonding and structure of metals of a group of U.K. college students. It is suggested that these mental models may be understood in terms of the students' prior learning about covalent and ionic bonding, and the prevalence of a common alternative conceptual…