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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Ma, Hsen-Hsing – Behavior Analyst Today, 2009
The purpose of the present study was to apply the percentage of data points exceeding the median of baseline phase (PEM) approach for a meta-analysis of single-case experiments to compare the relative effectiveness of different kinds of reinforcers used in behavior modification. Altogether 153 studies were located, which produced 1091 effect…
Descriptors: Comparative Analysis, Behavior Modification, Positive Reinforcement, Meta Analysis
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Chen, Chiu-Wen; Ma, Hsen-Hsing – Behavior Analyst Today, 2007
The present study uses the PEM approach to synthesize the effectiveness of treatment on disruptive behaviors and simultaneously tests whether the higher validity of the PEM approach than that of the PND approach is repeatable. A hand search of the "Journal of Applied Behavior Analysis" was conducted, and reference lists from reviewed articles were…
Descriptors: Behavior Modification, Program Effectiveness, Effect Size, Token Economy