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A Study of the Stability of the Bayley Scales of Infant Development with High-Risk Infants

Jody Dempsey is doctoral candidate, School Psychology, The Pennsylvania State University, Reprints may be obtained from the author by request at 1309 Edwards St., Vestal, NY 13850.

The repeated psychological assessment of 41 high-risk infants during the first 2 years of life using the Mental Scale of the Bayley Scales of Infant Development was investigated to determine if there were any significant differences in the performances of these infants. The infants were assessed at 2 months, 6 months, 1 year, and 2 years adjusted age. Analyses indicated no significant differences among the test results grouped according to age. A Pearson correlation matrix indicated that the 6-month evaluation correlated the highest with the 1-year evaluation. The next highest correlation was noted between the 1-year evaluation and the 2-year evaluation. A stepwise multiple regression analysis indicated that the 1-year evaluations accounted for the most variability in 2-year scores. Several false positives at the 2-month evaluation were noted, along with one false negative. No other shifts in cognitive range were seen after the 2-month evaluation. The implications of these findings are discussed.

Assessment for Effective Intervention, Vol. 14, No. 1, 49-54 (1988)
DOI: 10.1177/153450848801400105


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