Experimental psychology is witnessing an increase in research on individual differences, which requires the development of new tasks that can reliably assess variations among participants. To do this, cognitive researchers need statistical methods that many researchers have not learned during their training. The lack of expertise can pose…

We used a data set with n = 1,603 learners of foreign languages (FL) to develop and validate the short form of the Foreign Language Enjoyment Scale (S-FLES). The data was split into 2 groups, and we used the first sample to develop the short-form measure. A 3-factor hierarchical model of foreign language enjoyment (FLE) was uncovered, with FLE as…

In the current article, we describe the development and validation of the Mistake Rumination Scale as a supplement to existing trait and cognitive measures of perfectionism. The Mistake Rumination Scale is a seven-item inventory that taps the tendency to ruminate about a past personal mistake. Psychometric analyses confirmed that the Mistake…

Study examined the hypothesis that individual differences are unrelated to types of imaging, and the interrelation of imagery modalities as measured by different assessment devices. (Authors/MB)

The 135 distinct items from the Edward Personal Preference Schedule (EPPS) were arranged in a five choice Likert Format and presented to 315 subjects. Factor scales were constructed and correlated with other measures of personality and academic ability. Differences between males and females were tested for significance. The results suggest that…

A series of studies was conducted to investigate the nature of children's goals and the role of goals in children's competence in peer relations. First, a conceptual framework was devised which consisted of eight goal types reflecting social-interpersonal and task-related achievement aspects of game playing: task mastery, approach-oriented…