Based on the "Differential Susceptibility Theory," we examined whether the relationship between pubertal maturation and depressive symptoms can be moderated by individual differences in environmental sensitivity. The current article used the three-wave data collected from Japanese adolescents aged from 12 to 15 years (girls = 111,…

This study examined whether individual differences in causality orientation moderate the effects of monetary reward and choice on perceived competence, which affect intrinsic motivation in turn. Causality orientation refers to an individual's tendency to experience or interpret events in a social context in a specific way and to behave…

'Grit' has been identified as an important predictor of success in a number of academic and non-academic domains (Duckworth, A. L., C. Peterson, M. D. Matthews, and D. R. Kelly. 2007. "Grit: Perseverance and Passion for Long-Term Goals." "Journal of Personality and Social Psychology" 92: 1087-1101.…

Conventional folk wisdom insists study abroad is an inherently valuable educational experience for young people. While traditional study abroad programs were typically a semester or a full year in duration, short-term study abroad programs of only a couple weeks are now the most common type of sojourn abroad. Problematically, evidence is mounting…

This paper describes a study designed to profile performances of L2 listenership. The writer examines the listenership behavior of 23 Japanese EFL learners, who were all freshmen students at a national university in Japan (16 females and 5 males) at the time the study was conducted, in an attempt to identify some of the features associated with…

Individual differences are theorised as being key predictors of students' lecture attendance. Understanding students' (lack of) motivation for studying is an essential first step in supporting these individual differences and potentially increasing class/lecture attendance. The current study explored the role of students' deficits in motivations…

The aim of this study is to construct a model of a simple lexical network showing the strength and asymmetry of the connections between vocabulary items in the L2 mental lexicon of Japanese learners. The study focuses on eight nouns and investigates how they are networked, and whether the existing network structure formed by these nouns would be…

This article reports on the development and use of the Developmental Sentence Scoring for Japanese (DSSJ), a new morpho-syntactical measure for Japanese constructed after the model of Lee's English Developmental Sentence Scoring model. Using this measure, the authors calculated DSSJ scores for 84 children divided into six age groups between 2;8…

This first Japanese twin study of early literacy development investigated the extent to which genetic and environmental factors influence individual differences in prereading skills in 238 pairs of twins at 42 months of age. Twin pairs were individually tested on measures of phonological awareness, "kana" letter name/sound knowledge,…

Background: The importance of school contextual effects on health and well-being among young people is currently recognized. This study examines the contextual effects of school satisfaction as well as the effects of individual-level school satisfaction on health-risk behaviors in Japanese high school students. Methods: Self-administered…

Motivation is one of the most frequently discussed variables due to its crucial role in successful second or foreign language learning. Several studies have shown the construct of motivation and relationships between motivational components and language achievement. However, it is still unclear whether or not these individual-difference variables…

According to Smith and Nelson [Smith, L.E., Nelson, C.E., 1985. "International intelligibility of English: directions and resources." "World Englishes" 3, 333-342.], "intelligibility" refers to word/utterance recognition, whereas "comprehensibility" is the understanding of word/utterance meaning. This study…