Midlands State University Library
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Effect size calculations and single subject designs created by Melissa L. Olive and Benjamin W. Smith

By: Contributor(s): Material type: TextTextSeries: An international journal of experimental educational psychology ; Volume 25 , number 2-3,Oxfordshire: Taylor and Francis, 2005Content type:
  • text
Media type:
  • unmediated
Carrier type:
  • volume
ISSN:
  • 0144-3410
Subject(s): LOC classification:
  • LB1051 EDU
Online resources: Abstract: 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 (SMDall) 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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Holdings
Item type Current library Call number Vol info Status Notes Date due Barcode
Journal Article Journal Article Main Library - Special Collections LB1051 EDU (Browse shelf(Opens below)) Vol. 25, no.2-3(pages313-324) Not for loan For in house use only

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 (SMDall) 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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