As interest increases in mindfulness in education programs for youth, there is a need to develop reliable measures of the quality of program implementation. This paper describes the development and psychometric properties of a measure that can be used to assess and monitor quality of implementation of mindfulness programs/curricula in typical…

The purpose of this study is to adapt the Lifespan Sibling Relationship Scale (LSRS) developed by Riggio (2000) to Turkish. The scale with its original form in English consists of 48 items in total. The original scale was translated into Turkish by three instructors who are proficient both in the field and the language. Later, the original and…

The present study uses item response theory (IRT) to establish comparability between the English and Portuguese versions of the Goal Instability Scale (GIS), a measure of generalized motivation. A total of 2,848 American and 679 Portuguese high school students were administered their respective language versions of the GIS. Results showed only…

During adolescence, one important career-related decision is the choice of a study in higher education. In this article, a new set of measures for different tasks (i.e., orientation, exploration, commitment) that can be distinguished during this career decision-making process was constructed: the Study Choice Task Inventory (SCTI). A sample of 946…

The Stability of Self Scale has been used to infer the stability of self-concept from responses collected on a single occasion. Using the large, nationally representative Youth in Transition data for 10th grade boys in public high schools in 1966, Stability of Self responses were related to the variability in self-esteem responses collected in 4…