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Intellectual and adaptive functioning: some tables for interpreting the Vineland in combination with intelligence
1Early Intervention and Developmental Evaluation Services, Surrey Place Centre, Toronto, Ontario, Canada.
American Journal of Mental Retardation : AJMR
|September 1, 1990
Summary
This study provides statistical tables to compare adaptive behavior scores with intelligence test results. These tools help determine if differences between Vineland Adaptive Behavior Scales and various intelligence scales are statistically significant or due to chance.
Area of Science:
- Psychometrics
- Developmental Psychology
- Clinical Assessment
Background:
- Accurate assessment of adaptive behavior and cognitive abilities is crucial for diagnosing developmental and intellectual disabilities.
- Existing intelligence scales and adaptive behavior measures require clear statistical comparisons to interpret discrepancies effectively.
Purpose of the Study:
- To provide statistically significant difference tables for comparing the Vineland Adaptive Behavior Scales with major infant and child intelligence scales.
- To aid clinicians in differentiating chance variations from meaningful discrepancies between adaptive behavior and cognitive assessments.
Main Methods:
- Compilation of statistical difference data between the Vineland Adaptive Behavior Scales and the following intelligence scales: Bayley Scales of Infant Development, McCarthy Scales of Children's Abilities, Stanford-Binet Intelligence Scale (4th ed.), and Wechsler intelligence scales.
- Analysis focused on providing thresholds for statistical significance.
Main Results:
- The study presents tables detailing the necessary differences for statistical significance between adaptive behavior and intelligence scores.
- These tables offer a quantitative basis for evaluating the reliability of observed score differences.
Conclusions:
- The provided tables can assist clinicians in interpreting discrepancies between adaptive behavior and intelligence measures.
- Clinical judgment remains essential, as the tables are supplementary tools and do not replace comprehensive evaluation due to potential error sources.