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Direct linkSlavin, Robert; Smith, Dewi – Educational Evaluation and Policy Analysis, 2009
Research in fields other than education has found that studies with small sample sizes tend to have larger effect sizes than those with large samples. This article examines the relationship between sample size and effect size in education. It analyzes data from 185 studies of elementary and secondary mathematics programs that met the standards of…
Descriptors: Sample Size, Effect Size, Correlation, Educational Experiments
Download full textAlfieri, Louis; Nokes, Timothy J.; Schunn, Christian D. – Society for Research on Educational Effectiveness, 2011
Analogous thinking has been commonly discussed as being an inherent and distinguishing characteristic of human cognition (e.g., Gentner, 2010; Goldstone, Day, & Son, 2010; Holyoak, in press; Rittle-Johnson & Star, in press). Gentner (2003) has argued that as part of the human cognitive toolbox, comparison accompanied by the relational language to…
Descriptors: Constructivism (Learning), Instructional Design, Experiential Learning, Meta Analysis
Peer reviewedAdair, John G.; And Others – Review of Educational Research, 1989
A descriptive analysis of research practices and a meta-analysis of control group effect sizes are used to address Hawthorne effects in educational experiments. The analysis of 86 studies and 256 treatment/Hawthorne/no-treatment control group effect size comparisons indicate that artifact controls have limited utility in dealing with the Hawthorne…
Descriptors: Control Groups, Educational Experiments, Educational Research, Effect Size
Cook, Desmond L. – 1967
Project objectives included (1) establishing a body of knowledge concerning the role of the Hawthorne effect in experimental designs in educational research, (2) assessing the influence of the Hawthorne effect on educational experiments conducted under varying conditions of control, (3) identifying the major components comprising the effect, and…
Descriptors: Behavioral Science Research, Educational Experiments, Educational Research, Field Studies
Winne, Philip H. – 1975
The purpose of this paper is to summarize and evaluate experiments which examined the effects of teacher questions on student achievement. The studies reviewed are of two types: (a) training experiments, in which the independent variable is teacher training; and (b) skills experiments, in which the frequency and manner of use of a teaching skill…
Descriptors: Academic Achievement, Affective Behavior, Educational Experiments, Educational Research
Cordova, Joe E. – 1972
The purpose of this study was to improve the English competence of Spanish-speaking students, to increase their success in school, and to help them develop stronger self-concepts. Control and experimental groups of students were selected from kindergarten, second, and fourth grades of elementary schools with a predominantly Chicano population.…
Descriptors: Children, Educational Experiments, Educational Research, Elementary Education
GROSS, LYNNE S. – 1968
THIS REVIEW OF THE LITERATURE ENDEAVORS TO COVER ALL THE EXPERIMENTAL AND "SEMI-EXPERIMENTAL" RESEARCH ON THE EFFECTIVENESS OF EDUCATIONAL TELEVISION. TOPICS REPRESENTED ARE--(1) THE TEACHING ABILITY OF TELEVISION, (2) TELEVISION VERSUS CONVENTIONAL TEACHING, (3) TELEVISION VERSUS OTHER MEDIA, (4) PROGRAM PRODUCTION AND FORMAT, (5)…
Descriptors: Audiovisual Aids, Classroom Design, Classroom Environment, Conventional Instruction
