Learning difficulties associated with the particulate theory of matter in the Scottish Integrated Science course

Summaries

English

Educators need to know when an adolescent will use a particular available problem‐solving mechanism or strategy. If a student can solve proportional reasoning problems in mathematics and physics classes but fails to comprehend the ‘odds’ in a local lottery, the teacher would like to know why. Three task context factors that form obstacles to generalizing logical reasoning strategies are illustrated by research studies. The obstacles are perceived relevance of the variables, perceived goal of the experiment and variable salience. The relationship between these factors and Piagetian theory is explored. Piaget's view that generalization is difficult to predict is a pessimistic one for educators. In contrast to this view, our findings suggest that it is possible to make some predictions abouthow and when logical mechanisms will be generalized to new situations. Implications for designing educational programmes which enhance generalizability of instruction in logical reasoning are described.     

Using VoiceThread to Create Meaningful Receptive and Expressive Learning Activities for Young Children

Development of receptive and expressive language skills is an important foundational skill in early childhood education. Recently, early childhood education professionals have begun using Web-based technology to assist in developing these skills. One Web-based technology that holds potential to support children’s learning is VoiceThread which has unique features that support Universal Design for Learning. This paper provides practical recommendations for use of VoiceThread in meaningful learning activities that can easily be implemented. A step-by-step guide is presented to create and use VoiceThread.     

Measuring Knowledge Integration Learning of Energy Topics: A two-year longitudinal study

Although researchers call for inquiry learning in science, science assessments rarely capture the impact of inquiry instruction. This paper reports on the development and validation of assessments designed to measure middle-school students’ progress in gaining integrated understanding of energy while studying an inquiry-oriented curriculum. The assessment development was guided by the knowledge integration framework. Over 2 years of implementation, more than 4,000 students from 4 schools participated in the study, including a cross-sectional and a longitudinal cohort. Results from item response modeling analyses revealed that: (a) the assessments demonstrated satisfactory psychometric properties in terms of reliability and validity; (b) both the cross-sectional and longitudinal cohorts made progress on integrating their understanding energy concepts; and (c) among many factors (e.g. gender, grade, school, and home language) associated with students’ science performance, unit implementation was the strongest predictor.     

A Tale of Two Tests (and of Two Examinees)

It is widely accepted dogma that consequential decisions are better made with multiple measures, because using but a single one is thought more likely to be laden with biases and errors that can be better controlled with a wider source of evidence for making judgments. Unfortunately, advocates of using multiple measures too rarely provide detailed directions of exactly how to use them. In this article, we describe one source of problems with multiple measures and lay out a strategy for finding solutions.     

Investigations of a complex,realistic task: Intentional,unsystematic, and exhaustive experimenters

This study examines how students' experimentation with a virtual environment contributes to their understanding of a complex, realistic inquiry problem. We designed a week‐long, technology‐enhanced inquiry unit on car collisions. The unit uses new technologies to log students' experimentation choices. Physics students (n = 148) in six diverse high schools studied the unit and responded to pretests, posttests, and embedded assessments. We scored students' experimentation using four methods: total number of trials, variability of variable choices, propensity to vary one variable at a time, and coherence between investigation goals and experimentation methods. Students made moderate, significant overall pretest to posttest gains on physics understanding. Coherence was a strong predictor of learning, controlling for pretest scores and the other experimentation measures. We identify three categories of experimenters (intentional, unsystematic, and exhaustive) and illustrate these categories with examples. The findings suggest that students must combine disciplinary knowledge of the investigation with intentional investigation of the inquiry questions in order to understand the nature of the variables. Mechanically executing well‐established experimentation procedures (such as varying one variable at a time or comprehensively exploring the experimentation space) is less likely to lead students to valuable insights about complex tasks. Our proposed categories extend and refine previous efforts to categorize experimenters by linking scientific procedures with understanding of the science discipline. © 2011 Wiley Periodicals, Inc. J Res Sci Teach 48: 745–770, 2011     

Practical Guides

CABLE ADVERTISING: NEW WAYS TO NEW BUSINESS by Kensinger Jones, et al. (Englewood Cliffs, NJ: Prentice-Hall, 1986—price not given)

ON DEADLINE: MANAGING MEDIA RELATIONS by Carole Howard and Wilma Mathews (New York: Longman, 1985—price not given)

MEGARATES: HOW TO GET TOP DOLLAR FOR YOUR SPOTS (Washington: National Association of Broadcasters, 1986—price not given, paper)

UNDERSTANDING AND USING VIDEO: A GUIDE FOR THE ORGANIZATIONAL COMMUNICATOR edited by Clara Degen (New York: Longman, 1985—price not given)

AUDIO IN MEDIA by Stanley R. Alten (Belmont, CA: Wadsworth, 1986—$32.50)

TELEVISION PRODUCTION: DISCIPLINES AND TECHNIQUES by Thomas Burrows and Donald Wood (Dubuque, IA: Wm. C. Brown, 1986—price not given, paper)

RADIO BROADCASTING: AN INTRODUCTION TO THE SOUND MEDIUM by Robert L. Hilliard (New York: Longman, 1986—price not given, paper)     

Student self-evaluation,teacher evaluation,and learner performance

A total of 341 Latvian students and eight teachers participated in this study of student self-evaluation and teacher evaluation. Students completed a 12-lesson teacher-directed instructional program on conducting and writing a report of their own experimental research. Sixteen classes were randomly assigned to one of four treatment conditions: (1) no in-program evaluation, (2) self-evaluation and revision at the research design and draft final report stages, (3) teacher evaluation and student revision at both stages, (4) self-plus-teacher evaluation and student revision at both stages. Students in the teacher-evaluation and self-plus-teacher evaluation conditions received significantly higher ratings from an independent rater on their final research reports. However, students under the self-evaluation conditions had greater confidence in their ability to conduct future experiments. This research is based on Dr. Olina's dissertation at Arizona State University, and was supported by grants from the Arizona State University Graduate Research Support Program and the Assessment Training Institute Foundaton in Portland, Oregon. We gratefully acknowledge their support.     

Using the Internet to Enhance Student Understanding of Science: The Knowledge Integration Environment

We have developed the Knowledge Integration Environment (KIE) to promote lifelong learning. We believe that science courses can promote lifelong learning by offering students science models that apply to problems they encounter in their everyday lives and by engaging students in personally relevant science projects where they connect science models to typical science resources such as those found on the Internet. Our instructional framework, Scaffolded Knowledge Integration (SKI), guides the design of the Knowledge Integration Environment. In this paper we describe the Knowledge Integration Environment and report results of “design experiments” carried out to guide improvement of Knowledge Integration Environment instruction as well as to help us improve our understanding of lifelong learning.     

Challenging the Dichotomy Between “Urban” and “Suburban” in Educational Discourse and Policy

Abstract

This article builds a case for nuanced conceptualizations of “urban” and “-suburban” educational contexts and issues. The author analyzes data across two studies—one of upper-middle-class White parents with children in Chicago public schools, and the other of Black low-income and working-class parents who moved from Chicago to a Wisconsin suburb. The findings suggest that monolithic framings of urban and suburban educational issues and populations can mask patterns of inequality within and across particular locales.