The main goal of this study was to illustrate and provide some direction for dealing with the complexities of propensity score matching within different multilevel contexts. Special attention is given to how procedures typically applied in a non-hierarchical setting may be modified to properly reduce the expected bias in the estimated treatment…

Presented at the Annual Meeting of National Council on Measurement in Education (NCME) in 2010. The focus of the research is to investigate the effect of applying the Sinharay & Holland (2007) midi-test idea for building anchor tests to an on-going testing program with a series of versions of the test and comparing these results to the more…

[Slides] presented at the American Educational Research Association (AERA) Conference in New York in March 2008. This presentation explores what cues are used as a deciding factor in essay scoring by the essay grader.

Presents a mechanical model for an ecology laboratory that introduces the concept of optimal foraging theory. Describes the physical model which includes a board studded with protruding machine bolts that simulate prey, and blindfolded students who simulate either generalist or specialist predator types. Discusses the theoretical model and data…

Four fact sheets discuss topics of interest to environmental educators. Number one addresses the relative lack of effective evaluation of environmental education programs. It emphasizes the need to base evaluation on identified goals and objectives and cites an accepted goal statement. Two examples of evaluation methods are given as well as…

Games, simulations, and case studies in science education are discussed in this book. The book consists of two major parts. Part 1 which is divided into three sections, is a review of the potential role of games, simulations, and case studies in science education. The first section (chapters 1 and 2) takes a broad look at the game/simulation/case…

The document contains reports, resources, illustrations, questionnaires, activities, and guidelines for teachers of gifted students. Materials are divided into 14 sections: (1) general information on gifted children, teachers of gifted/talented children, administrators, parents of gifted/talented, and sources of information; (2) national…

This book, intended to serve as a resource guide for teachers wishing to implement computer-based learning in their own classrooms, is a collection of 29 classroom tested instructional programs designed to supplement an introductory chemistry course, regardless of text or approach. The programs cover a wide range of topics, from metric units of…