Investigation of children's understanding of the earth can reveal much about the origins and development of scientific knowledge. Vosniadou and Brewer (1992) claim that children construct coherent, theory-like mental models of the earth. However, more recent research has indicated that children's knowledge of the earth is fragmented and…

The concepts of social cognition and cognitive structures are important aspects of constructivism and human communication theory. By asking students to listen to different musical selections and fill in a simple rubric, different schemas become apparent. This creates an opportunity to discuss how cognitions relate to communication. Students who…

The present study used meta-analytic techniques (number of samples = 92) to determine the patterns of mean-level change in personality traits across the life course. Results showed that people increase in measures of social dominance (a facet of extraversion), conscientiousness, and emotional stability, especially in young adulthood (age 20 to…

Purpose: The paper seeks to develop a conceptual framework capable of informing future research into beginning principalship in diverse cultural contexts. Design/methodology/approach: Based on recent literature, and specifically drawing on contributions to this Special Issue, the paper explores the relationship between externally generated…

In this evaluation we used Messick's construct validity as a conceptual framework for an empirical study assessing the validity of use, utility, and impact of office discipline referral (ODR) measures for data-based decision making about student behavior in schools. The Messick approach provided a rubric for testing the fit of our theory of use of…

This research explores the attitudes of parents and teenagers towards the proposals in the "Raising expectations" Green Paper. It is based on a public opinion poll of 920 parents and 380 teenagers in the United Kingdom, which ran between 30 March and 10 April 2007. The results were analysed by Learning and Skills Network statisticians.…

In an effort to examine the impact of the changes being made at San Jose State University (California) in the calculus curriculum, multiple measures were collected and analyzed. This study focuses on the relationship between performance on a pretest and the class grade. Through written responses on the pretest, a belief and knowledge profile for…

Graphs without a time axis, such as velocity-versus-position graphs, offer interesting possibilities for exploring graphing and motion. Relations depicted by these graphs are not limited to functions. Interviews with a high school student named Olivia, who uses a motion detector to create such graphs, indicate that she uses thought experiments as…

This study examined adult students' informal knowledge of percent and its relationship to their computational skills. Sixty adults studying in urban and suburban adult education programs were interviewed to ascertain: (1) their ideas of the meanings of benchmark percents, 100%, 50%, and 25%, as they appear in advertising and media contexts; (2)…

Based on the hypothesis that teachers possessing extensive and coherent knowledge structures are the most effective teachers, this paper explores the use of a modified ordered tree (OT) technique for measuring teachers' knowledge structures. Two questions are posed: (1) Can a modified OT technique be used to measure teachers' knowledge structures?…

This paper presents two general approaches to the assessment of knowledge structures, the first of which entails the building of empirical evidence to support cognitive theory. This type of assessment is concerned with attempting to prove the existence of various knowledge structures; that is, evidence that leads to the construct validity of these…

This paper examines the category-theoretic formulation of cognitive development introduced by Piaget in the late 1960's and elaborated during the 1970's. The new theory is interpreted as the focal point of Piaget's investigations into topics such as function, correspondences, and commutability. Hypotheses arising from Piaget's new model were…

Some feel that a persistent shortcoming of the collective views of human action is that they often advocate a view of the individual as merely a bearer or token for the group to which he or she belongs. These theories do not account for individual choice. This project attempts to arrive at a general critique of individualism, drawing on a number…

The science learning cycle developed by Robert Karplus and others in the 1960's has been a useful model for many science teachers and researchers. This model stresses the use of structured inquiry to organize knowledge acquisition and problem solving. Recent research in the cognitive science tradition, however, has shown that learning and problem…

Chemists have bemoaned for years their students' inability to solve problems in introductory chemistry courses. However, at least part of this inability must be attributed to the fact that chemists have historically tried to teach their students to solve problems by doing nothing more than working examples. In recent years, chemists have begun to…