The objective of this review is to clarify the role of matching in family genetic studies of autism as a way of defining endophenotypes for linkage analysis. The concept of a confounding variable is reviewed and the importance of considering these in family studies of three endophenotypes in autism are considered: cognitive/language impairments,…

This study evaluated the effectiveness of Positive Prevention, a theory-based, HIV/STD prevention education curriculum for high school youth. Three hundred fifty-three students participated in a longitudinal experimental design to determine the impact of the curriculum on HIV/AIDS knowledge, self-efficacy to abstain from sex, self-efficacy of…

In the last decade, voluntary efforts by firms to reduce their environmental impacts have received increasing attention from both policymakers and scholars. This article discusses polluters' incentives to reduce their releases. In particular, using data from Canada's National Pollutant Release Inventory, it examines the impacts of conventional…

Knowing that the study strategies of students using college textbooks can be a powerful predictor of performance in the classroom, we examined the extent to which students in different psychology courses reported reading their textbooks. In psychology courses overall, students read on average 27.46% of the assigned readings before class and 69.98%…

The overall aim of this paper is to give an account of action learning in practice. It demonstrates the potential strengths and weaknesses of action learning. The information given is derived from five years in an action learning set. Significant events from within and without the action learning set will be explored using the themes clarifying;…

Background: It is widely claimed that critical reflection upon experience is a valuable process in which all teachers should engage in order to improve their professional practice. Assumptions are made about the benefits of reflection both for the teacher as person and professional; however, there is a lack of in-depth research on the reflective…

This paper describes a school/university graduate induction program that has provided support to beginning teachers since 1994. A 10-year follow-up study of program graduates was recently conducted to examine these questions: (a) How many graduates are still in the education profession? (b) How many have remained in the classroom? and (c) What are…

"Learning how to learn--in classrooms, schools and networks" (LHTL) was a major school based development and research project within the ESRC Teaching and Learning Research Programme. As such it was expected to work towards fulfilment of TLRP aims to work for improvement in learning outcomes, in authentic learning and teaching contexts,…

The present study compares the effects of the cooperative jigsaw II method and traditional teacher-centred teaching method on improving vocabulary knowledge and active-passive voice in English as a foreign language for engineering students and the students' attitudes towards learning English. Jigsaw is a cooperative learning model that involves…

Engagement has been viewed as an important construct to understand students' learning performances in classroom settings. Taking an interactive perspective, the study investigates ninth graders' cognitive, emotional, and behavioral engagement in teacher-centered (TC) and student-centered (SC) technology-enhanced classrooms. 54 students from two…

A variety of preschool curricula is available and in widespread use, however, there is a lack of evidence from rigorous evaluations regarding the effects of these curricula on children's school readiness. The lack of such information is important as early childhood center-based programs have been a major, sometimes the sole, component of a number…

This paper describes efforts to design an evaluation system that has as its primary objective helping schools effect positive change through the Accelerated Schools Project. Three characteristics were deemed essential: (1) that the evaluation be useful and meaningful; (2) that it be sensitive to local conditions; and (3) that evaluations of…

This paper provides the material for an interview/discussion of the teacher as researcher involved in a self-study of his own teaching activity. Opening sections describe the original self-study conducted by a teacher over the course of the 1993 school year while teaching secondary school math and science in Australia. These sections also briefly…

Videodisc technology could have a dramatic effect on the future of educational research by allowing users to access and manipulate the actual raw data in multiple ways. The supposed threat to traditional research methodologies is that there is apparently no systematic way for different viewers to reach the same conclusions about the same content.…

To better determine the educational and training needs of local employees, Lane Community College (LCC), in Oregon, undertook a project to analyze responses from a statewide survey of employers' perceptions of training needs and conduct focus groups with Lane County employees regarding their perceptions. The statewide study surveyed 6,010…