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Download full textWhat Works Clearinghouse, 2015
The What Works Clearinghouse (WWC) Standards Briefs explain the rules the WWC uses to evaluate the quality of studies for practitioners, researchers, and policymakers. This brief explains what baseline equivalence is and why it matters. As part of the WWC review process for certain types of studies, reviewers assess whether the intervention group…
Descriptors: Control Groups, Participant Characteristics, Matched Groups, Research Methodology
Direct linkGrossman, Jean Baldwin – Public/Private Ventures, 2009
This methodological brief is designed to provide both program operators and researchers with practical advice about how to assess a program's implementation and impact. Adapted from an article that first appeared in "The Handbook of Youth Mentoring" (DuBois and Karcher, ed. 2005), the brief focuses on the evaluation of mentoring programs, but the…
Descriptors: Mentors, Evaluation, Program Implementation, Intervention
Bowman, Catherine D. D. – British Journal of Educational Technology, 2012
Animated pedagogical agents (APAs) have the potential to provide one-on-one, just-in-time instruction, guidance or mentoring in classrooms where such individualized human interactions may be infeasible. Much current APA research focuses on a wide range of design variables tested with small samples or in laboratory settings, while overlooking…
Descriptors: Control Groups, Experimental Groups, Science Curriculum, Middle School Students
Osterkamp, Marilynn B.; And Others – 1983
Although informal assessments of caregiver training and support groups have been positive, empirical evidence of their beneficial impact is needed. To evaluate a group program for families of elderly parents, a pre/postmeasure, experimental/control group design was implemented. Adults participating in two workshops on "Your Aging…
Descriptors: Adults, Aging Education, Aging (Individuals), Control Groups
Peer reviewedSunal, Dennis W.; Sunal, Cynthia Szymanski – Journal of Computers in Mathematics and Science Teaching, 1992
Considers the preservice science lesson-planning effects of utilizing local area network (LAN) communication technology across various administrative schemes. Concludes that ease of contact, favorable attitude toward use of technology in communication and teacher education, types of message content, persons contacted, and frequency of…
Descriptors: Communications, Control Groups, Experimental Groups, Field Experience Programs
Peer reviewedMeichtry, Yvonne J. – Journal of Research in Science Teaching, 1992
More than 1,600 middle school students, including an experimental group exposed to the Biological Science Curriculum Study (BSCS), were administered the Modified Nature of Scientific Knowledge Scale. Results indicate that the students utilizing the traditional science curriculum possessed a significantly better understanding of the testable nature…
Descriptors: Cognitive Development, Cognitive Measurement, Comparative Analysis, Control Groups
