Re-Designing the Solomon Four-Group: Can We Improve on this Exemplary Model?

By Renier Steyn.

Published by Design Principles and Practices: An International Journal

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Article: Print	$US10.00
Article: Electronic	$US5.00

The Solomon four-group design (Solomon, 1949), where the priming effects of pre-intervention testing can be detected and accounted for, is often referred to in the literature as the epitome of experimental design in behavioural research. In this paper the extension of this design, to account for the effects of alternative sources being responsible for change in the experimental group, is discussed and demonstrated in an eight group design (N=1 723). The methodology suggested by Walton Braver and Braver (1988) was used to analyse the data. This method, as well as other approaches dealing with this complex design, is discussed.

Keywords:	Experimental Design, Solomon Four-Group Design, Statistical Analysis, Meta Analysis

Design Principles and Practices: An International Journal, Volume 3, Issue 1, pp.383-394. Article: Print (Spiral Bound). Article: Electronic (PDF File; 1.358MB).

Prof. Renier Steyn

Senior Lecturer, Graduate School of Business Leadership, University of South Africa, Midrand, Gauteng, South Africa

Renier Steyn worked for 18 years as a psychologist in the South African Police Services and is presently a Senior Lecturer at the University of South Africa where he teach HRM and leadership topics. His academic interests are wide and include applied social psychology and research methodology. He obtained a PhD in Industrial and Personnel Psychology and a DLitt et Phil in Psychology. He is a registered research psychologist and a post-doctoral research fellow at the Semel Institute for Neuroscience & Human Behavior situated at the University of California (UCLA).

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