Wednesday, May 10, 2006

Phelps Kindergarten Readiness Scales - empirical study

A question was just posted to the NASP listserv re: any reviews of the Phelps Kindergarten Readiness Scale (click here to find Burons Institute information). As luck would have it, I recalled an empirical investigation reported last year in Psychology in the Schools. Below is the reference, abstract and link to article for viewing---FYI editorial comments.
  • Duncan,J., & Rafter, E. M. (2005). Concurrent and predictive validity of the Phelps Kindergarten Readiness Scale-II. Psychology in the Schools, 42(4), 355-259. (click to view)


  • The purpose of this research was to establish the concurrent and predictive validity of the Phelps Kindergarten Readiness Scale, Second Edition (PKRS-II; L. Phelps, 2003). Seventy-four kindergarten students of diverse ethnic backgrounds enrolled in a northeastern suburban school participated in the study. The concurrent administration of the PKRS-II and the Woodcock-Johnson III Brief Intellectual Ability Scale (R.W.Woodcock, K.S. McGrew, & N. Mather, 2001a) occurred in the fall of the kindergarten year. To assess predictive validity, theWoodcock Johnson III Tests of Achievement (R.W. Woodcock, K.S. McGrew, & N. Mather, 2001b) was administered in the spring of that year. All concurrent and predictive correlations were significant. Based on the results of this study, the PKRS-II may be used with confidence to screen for children who may be at risk for academic difficulties.
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