Expresses the importance of scientifically based research in education reform and explains how to judge the validity of educational research. Describes control groups, randomized and matched experiments, statistical educational significance, sample size, and the difference between scientifically based and rigorously evaluated research. (Contains…

Discusses the assessment of the impact of parent involvement in the Head Start Family Impact Project. This project was undertaken with cooperation from the Parents in Community Action (PICA) component of the Hennepin County, Minnesota, Head Start Program. (BB)

Describes study of Australian elementary students that was conducted to compare the use of various reading cues by disabled readers and normal readers. Miscue analysis is discussed, theories of reading disability and methodological concerns in reading disability research are examined, and further studies are suggested. (27 references) (LRW)

Studies the language proficiency of the Turkish returnees from Germany who were either born in Germany or emigrated there with their parents at a young age. Results indicate that returnees have a deficit in cognitive academic language proficiency compared to control groups and that a correlation exists between language proficiency in Turkish,…

Examines the Type I Error in research on multimedia's impact on learning. Discusses the lack of a control group; the myth of multimedia benefits and the motivational effects of curiosity, content, and instructional strategies; the economics of multimedia; and dangers of the Type I Error, including inequity, lower scores or standards, wasted…

This study highlights two groups of students enrolled in a college mathematics of finance course using same textbook and instructor. Experimental group used menu-driven symbolic calculators, whereas control group used standard scientific calculators. Significant increases in favor of experimental group were found both with respect to students'…

Difficulties experienced in implementing a randomized design in a school-based adolescent health promotion program are explained, and a solution using a randomized control group design nested within two treatment options is proposed. The Health for Life project involved 21 middle schools in Wisconsin. (SLD)

The grade improvement program "Where There's a Will There's an A" was evaluated with 36 experimental and 37 control group undergraduates. The approach and content of the evaluated materials appear inconsistent with the body of research on academic improvement, and study results do not indicate any improved achievement. (SLD)

Development, implementation, and evaluation of a treatment program for 222 violent criminal offenders with alcohol abuse or alcoholism are described. Evaluation of the program, with quasi-experimental techniques, shows that active program clients engage in fewer violent crimes and show improved life functioning in employment and social adjustment…

H.H. Spitz argues that interesting results from the preschool intervention of the Abecedarian Project continue to be disregarded. C.T. Ramey reiterates his earlier objections to Spitz's conclusions, and H.H. Spitz rejoins with specific objections to Ramey. (SLD)

Whether grades earned in reading, mathematics, and language by 158 second graders when learning environmental accommodations were made in the areas of light, sound, temperature, design, and mobility differed from grades of control group students without these accommodations was studied. Control group students had higher mathematics and language…

One of the skills that can be taught in an English proficiency class that adopts literary texts for teaching the language is critical thinking. The background, characters and their motives are among those that invite critical inquiry and interpretation. Although it has been claimed that discussing literary texts in the traditional way can help…

The purpose of this study is to investigate the effects of the Engagement, Exploration, Explanation, Extension, and Evaluation (5E) learning cycle, conceptual change texts, and traditional instructions on 8th grade students' understanding of photosynthesis and respiration in plants. Students' understanding of photosynthesis and respiration in…

Research reveals that in highly structured learning environments pedagogical agents can act as tools to direct students' learning processes by providing content or problem solving guidance. It has not yet been addressed whether pedagogical agents have a similar impact in more open learning environments that aim at fostering students' acquisition…

The response to intervention (RTI) of English language learners identified as at risk for reading difficulties in the fall of first grade was examined at the end of first grade and at the end of second grade. Students at risk for reading problems were randomly assigned to intervention or control groups. Intervention students received supplemental…