Among the different types of experimental design are two general categories: true experimental designs and quasi- experimental designs. True experimental designs include more than one purposively created group, common measured outcomes, and random assignment. Quasi-experimental designs are commonly used when random assignment is not practical or…

The purpose of this handbook is to encourage and assist women's studies directors and faculty to perform or obtain evaluations of their programs in order to assist in their decision making needs, and to know how, when, and to what ends program evaluation can be used. Evaluation is defined and described. Five major approaches are listed:…

The authors suggest that there may be a phenomenon of posttest sensitization which could affect the generalizability of experimental results in the way that pretest sensitization does. A quasi-experimental design is proposed to test for such a phenomenon. (JKS)

Net impact estimates of Comprehensive Employment and Training Act (CETA) programs vary widely and can be explained by the different evaluation methodologies used. Estimates are sensitive to the inclusion of recently unemployed persons in the comparison sample and assumptions about the time of decision to enroll in CETA. (GDC)

Methods for selecting relevant and appropriate quasi-experimental studies for inclusion in research synthesis using the threats-to-validity approach are presented. Effects of including and excluding studies are evaluated. (BS)

A two-step control procedure is demonstrated in which the experimenter first identifies the most appropriate control group for the investigation and then employs multiple covariates to adjust the dependent measure(s) for these sources of error. This procedure is demonstrated in a learning strategy experiment. (GK)

The aim of this study is to design and develop a Physically Interactive Learning Environment, the PILE system, by integrating video-capture virtual reality technology into a classroom. The system is designed for elementary school level English classes where students can interact with the system through physical movements. The system is designed to…

The effectiveness of Tennessee EdTech Launch (TnETL), a statewide technology program designed to meet the No Child Left Behind (NCLB) mandate, was investigated in this matched treatment-control quasi-experimental study. The goal of the program was to provide full-time, on-site technology coaches to prepare teachers to create lessons that engage…

Since the passage of the first Charter School Law in Minnesota in 2001, there have been many studies that have examined the effect of Charter schools on student achievement with very mixed results. The Missouri legislature passed legislation in 1998 permitting the establishment of charter schools in a metropolitan school district or in an urban…

The Present Article describes the effectiveness of stress management classes in decreasing perceived stress among Deaf adults. Deaf adults may experience unique stressors, in addition to circumstances associated with increased stress in the general population. The Perceived Stress Scale (S. Cohen, Kamarck, & Mermelstein, 1983) was used as a…

A subcategory of computer-assisted instruction (CAI), games have additional attributes such as motivation, reward, interactivity, score, and challenge. This study used a quasi-experimental design to determine if previous findings generalize to non simulation-based game designs. Researchers observed significant improvement in the overall population…

A Monte Carlo study was done to determine the adequate sample size for quasi-experimental regression studies, which compare regression lines for two groups and estimate their point of intersection. Populations of 1,000 subjects in each of two groups were constructed (using random normal deviates) to yield equivalent regression lines of opposite…

Preschoolers in a model preschool designed to develop children's planning and problem-solving abilities were compared to children in three comparison preschools on measures assessing children's ability to solve problems and plan. Children were also compared on other measures of cognitive ability, including measures of general cognitive…

The activities of the Multilevel Analysis Project of the Center for the Study of Evaluation from February 1 to June 1, 1978 are summarized. Twelve project staff activities are listed, including papers on alternative analytical models for identifying educational effects, conference presentations, and grant proposals. A report on empirical…

An approach for merging quantitative-qualitative data in order to enlarge the evaluators' perspective and provide an enriched data base for evaluating elusive evaluation problems in school settings is described. Mini-case studies were conducted over a period of three years in 11 urban schools to examine the impact of an arts-in-the-schools program…