Reflection-Impulsivity and Level of Maturity

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Abstract
It was hypothesized that scores on the Matching Familiar Figures Test (MFF) are related to level of maturity. To test this hypothesis, 76 latencyaged boys in residential treatment were administered the MFF and a gross motor coordination test and were assessed for soft signs of neurological damage. Also included were age, IQ, and reading scores, along with ratings of behavior problems, activity, and impulsivity levels. A factor analysis yielded a factor (Factor II) consisting of MFF errors, age, soft signs of neurological damage, and gross motor coordination. Another factor (Factor IV) consisted of MFF errors and MFF latency. Factor IV provides support for the reflection-impulsivity construct, while Factor II may suggest that scores on the MFF are partially a function of physiological maturity and that errors contribute more than latency to the determination of reflection/impulsivity.