In their response to the charge of nonstandard standard scores on the Vineland Adaptive Behavior Scales, Cicchetti and Sparrow have misconstrued my statistical analysis, and their own is seriously flawed. Additional evidence is given that fluctuations in the standardization data cannot be attributed to “sampling variability.”
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References
1.
CicchettiD. V.SparrowS. S. (1986) False conclusions about Vineland standard scores: Silverstein's Type 1 errors and other artifacts. American Journal of Mental Deficiency, 91, 5–9.
2.
DollE. A. (1953) The measurement of social competence: a manual for the Vineland Social Maturity Scale. Circle Pines, MN: American Guidance Service.
3.
HayesW. L. (1981) Statistics. (3rd ed.) New York: Holt, Rinehart & Winston.
4.
SilversteinA. B. (1986) Nonstandard standard scores on the Vineland Adaptive Behavior Scales: a cautionary note. American Journal of Mental Deficiency, 91, 1–4.
5.
SparrowS. S.BallaD. A.CicchettiD. V. (1984) Vineland Adaptive Behavior Scales: Interview Edition, Survey Form manual. Circle Pines, MN: American Guidance Service.