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ERIC Number: EJ719032
Record Type: Journal
Publication Date: 2005
Pages: 12
Abstractor: Author
Reference Count: 23
ISBN: N/A
ISSN: ISSN-0144-3410
Effect Size Calculations and Single Subject Designs
Olive, Melissa L.; Smith, Benjamin W.
Educational Psychology, v25 n2-3 p313-324 Apr-Jun 2005
This study compared visual analyses with five alternative methods for assessing the magnitude of effect with single subject designs. Each method was successful in detecting intervention effect. When rank ordered, each method was consistent in identifying the participants with the largest effect. We recommend the use of the standard mean difference (SMD[sub all]) formula and we believe the use of a regression equation for calculating effect size in single subject data should be avoided.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: Researchers
Language: English
Sponsor: N/A
Authoring Institution: N/A