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Direct linkAwad, Germine H.; Patall, Erika A.; Rackley, Kadie R.; Reilly, Erin D. – Journal of Educational & Psychological Consultation, 2016
As the US continues to diversify, methods for accurately assessing human behavior must evolve. This paper offers multicultural research considerations at several stages of the research process for psychological research and consultation. Implications regarding the comparative research framework are discussed and suggestions are offered on how to…
Descriptors: Cultural Awareness, Psychological Studies, Control Groups, Educational Assessment
Pouliot, Louise; De Leo, Diego – Suicide and Life-Threatening Behavior, 2006
This paper reviews research based on the psychological autopsy (PA) method applied to the study of suicide. It evidences the presence of a number of methodological problems. Shortcomings concern sampling biases in the selection of control subjects, confounding influences of extraneous variables, and reliability of the assessment instruments. The…
Descriptors: Investigations, Suicide, Psychological Studies, Research Methodology
Cook, Samantha R. – Psychological Methods, 2004
L. V. Hedges and I. Olkin (1985) presented a statistic to test for homogeneity among correlated effect sizes and L. J. Gleser and I. Olkin (1994) presented a large-sample approximation to the covariance matrix of the correlated effect sizes. This article presents a more exact expression for this covariance matrix, assuming normally distributed…
Descriptors: Schizophrenia, Control Groups, Effect Size, Statistical Analysis
Peer reviewedSchutz, Will – Journal of Humanistic Psychology, 1975
Author severely criticized a book on encounter groups by Lieberman, Yalom, and Miles (1973) and stated that it was a methodological morass, theroetically obsolescent, and almost totally unjustified in its conclusions. (Author/RK)
Descriptors: Control Groups, Critical Thinking, Data Analysis, Experimental Groups
Download full textHalperin, Si; Jorgensen, Randall – 1994
The concept of control is fundamental to comparative research. In research designs where randomization of observational units is not possible, control has been exercised statistically from a single covariate by a process of residualization. The alternative, known as subclassification on the propensity score, was developed primarily for…
Descriptors: Comparative Analysis, Control Groups, Psychological Studies, Research Design
Peer reviewedDiaper, Gordon – Educational Studies, 1990
Reexamines definitions of and explanations for the Hawthorne Effect in research subjects. Notes that the Hawthorne Effect was tested in a study of the effectiveness of paired classroom reading among students. Challenges the notion that subject's behavior is modified by participation in research. Reviews various research studies that question the…
Descriptors: Classroom Research, Control Groups, Educational Research, Experimental Groups
Schneider, Wolfgang; Wolke, Dieter; Schlagmuller, Matthias; Meyer, Renate – European Journal of Psychology of Education, 2004
Individual differences in academic success were investigated in a geographically defined whole-population sample of very preterm children with a gestational age of less than 32 weeks or a birth weight of less than 1500 gm. The sample consisted of 264 very preterm children (75.6% of German-speaking survivors) and 264 controls matched for gender,…
Descriptors: Children, Predictor Variables, Cognitive Ability, Control Groups
