This study was conducted to develop a set of concepts regarding teachers' perspectives on accountability, to present exemplars and discussion of each concept, and to analyze implications of the concept for classroom practice. Data were collected through semi-structured interviews with 18 experienced elementary and high school teachers. Two pilot…

Children with mental retardation are particularly prone to failure on relational tasks such as oddity and match-to-sample, suggesting a differential sensitivity to relational information. This paper reports on several studies in which characteristics of stimulus arrays were enhanced. Results demonstrated the theoretical and practical significance…

Observational techniques were employed to gain insights into students' experiences from three perspectives (learner, teacher, and observer) as related to four aspects of a set task (nature of the task, including its purpose; how the task was carried out; perceived significance of outcomes achieved; and significance of outcomes in terms of science…

Student variables which influence attainment of ecological concepts and conceptual systems were investigated. Researcher-designed paper/pencil and free-sort categorization tests were administered to 256 Science Curriculum Improvement Study (SCIS) students in grades 4-6. Findings are: (1) grade and ability, not sex, influenced concept attainment…

Students in a college introductory statistics class were evaluated with conceptual and computational tests and the relationship between their levels of knowledge on the two forms of testing was assessed. There were significant correlations between their abilities to perform computations and to answer more conceptual questions on individual tests…