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Do Self-Assessments Work to Detect Workshop Success?An Analysis of Argument and Recommendation by D'Eon et alOntario Institute for Studies in Education of the University of Toronto, tlam{at}oise.utoronto.ca D'Eon et al. concluded that change in performance self-assessment means from before to after a workshop can detect workshop success in their and other situations. In this commentary, their recommendation is refuted by showing that (a) self-assessments with balanced over- and underestimations are still biased and should not be used to evaluate workshops, even though the means of self-assessments and criterion measures are artificially equal; (b) participants' performance should not be attributed directly to training, even if the self-assessments are psychometrically valid and obtained prior to the workshop as well; (c) self-assessment findings should not be generalized to other situations without further analysis and caution, even if the participants' performance can be attributed to training. For clarifying the recommendation by D'Eon et al. to use ``aggregated self-assessments'' to evaluate workshops, analysis of multilevel data is explained and discussed. Finally, nine rules of thumb in using self-assessments for evaluating training are provided.
Key Words: self-assessment • training evaluation • response bias • outcome evaluation
American Journal of Evaluation, Vol. 30, No. 1,
93-105 (2009) This article has been cited by other articles:
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