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Student Use of Animated Pedagogical Agents in a Middle School Science Inquiry Program
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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
Random Assignment Evaluation Studies: A Guide for Out-of-School Time Program Practitioners. Part 5 in a Series on Practical Evaluation Methods. Research-to-Results Brief. Publication #2008-03
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Moore, Kristin Anderson; Metz, Allison – Child Trends, 2008
Program providers work extremely hard to offer services that they believe will enhance the lives and future prospects of children and youth. But how can they be sure that their program is having the intended impacts? How can funders and policy makers be sure that their investments in programs are paying off in substantially better outcomes for…
Descriptors: Research Design, Program Effectiveness, Evaluation Methods, Control Groups
Influencing Student Understanding of the Nature of Science: Data from a Case of Curriculum Development.
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Meichtry, 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
Evaluating Evaluations of Language Intervention.
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Imbens-Bailey, Alison L. – Topics in Language Disorders, 1998
Discusses how clinicians and researchers can critically evaluate information from efficacy studies of language intervention programs. It argues for combining both experimental and nonexperimental approaches and suggests that the use of matching in nonrandomized studies allows for comparison of groups of children participating in an intervention…
Descriptors: Evaluation Research, Experimental Groups, Intervention, Language Impairments