Presents an outdoor experiment to measure the speed of sound as a classroom experience to begin the teaching year. Measures the delay time from seeing and hearing crashing cymbals across a field to calculate the speed. Exposes students to experimental uncertainties and limits of uncertainty in measurement. (MDH)

Suggests using simulated data to teach students about the nature and use of statistical tests and measures. Observes that simulated data contains built-in pure relationships with no poor response rates or coding or sampling errors. Recommends suitable software. Includes information on using data sets, demonstrating statistical principles, and…

Reviewed are the various purposes that discussion may serve for science education--for carrying out practical work, for interpreting results, and for understanding social issues. The importance of students contributing their own experiences to a discussion is discussed. (KR)

Investigations that facilitate experimental design, the concept of replication, data analysis, and other aspects of scientific study are described. A list of materials, the recommended plants, and the directions for building the hydroponics unit are included. (KR)

Describes a project developed at the Northern Virginia office of Central Michigan University (CMU) to analyze reference questions received at an off-campus library services program for graduate students. The development and use of a software program--the Statistical Package for the Social Sciences SPSS/PC+ Studentware--is explained. (LRW)

Describes a take-home experiment in which students measure the diffusion of acid through acid-filled capillary tubes immersed into base solutions and vice versa. Students represent and analyze the effects of ambient temperature, molecular weight, and concentrations of the solutions on that movement. (MDH)

Uses data from the California Basic Educational Data System (CBEDS) to analyze course listings in history and the social sciences in California secondary schools from 1981 to 1990. Uses three variables: enrollment, number of sections, and number of full-time faculty assigned to social studies courses. Reviews course offerings and recommends…

Used latent transition analysis (LTA), methodology for testing stage-sequential models of individual growth, to compare fit of 2 models of substance use onset and to assess effects of prevention program on 2,009 early adolescents. Found that substance use onset model including alcohol and tobacco use as starting points fit better than model that…

Second graders taught by the whole language approach produced better writing samples, for content and meaning, than did second graders taught by the traditional approach. No differences were evident in the use of mechanics. Sixth grade samples evidenced no difference between the two approaches. (IAH)

This overview of nonexperimental causal research methods focuses on latent variable structural equation modeling using the LISREL computer program. An extended example in special education is used to present LISREL as an extension of structural equations analysis (path analysis) and as a method of reducing the effects of error in research.…

Argues that knowledge of statistics is becoming increasingly important for economics students. Presents a lesson to improve the learning of statistics and communication skills using short cases that include an economics problem and real data. Describes how students work in teams with computers for analysis and preparation of written reports. (DSK)

Describes the research process engaged in by a group of teacher researchers as they examined students' historical and multicultural understanding. Explores the complex and messy nature of the relationship of teaching and researching. Describes how research questions and methodology were developed. Discusses development of categories to examine how…

Outlines efforts of the National Center for Education Statistics (NCES) to improve the collection and analysis of data relevant to classroom instructional processes. These include (1) the inclusion of videotaping in studies of classroom methods; (2) improved surveys of instructional practices; and (3) studies of daily instructional logs kept by…

Data from over 400 schools shows participation in Library Power increased the percentage of schools where teachers and librarians collaborated to plan instruction and to develop the library collection, and increased the percentage of teachers collaborating with the librarian in schools where collaboration already existed. Collaborative logs…

To understand which factors predict effective school leadership teams, researchers analyzed survey data from 71 elementary and 71 secondary schools with 1 year of training. The strongest predictor of ability to focus on teaching and learning was use of collected school data to identify needs and guide decisions. (Contains 77 references.) (MLH)