Monday, February 23, 2009

Motor Skill Testing Over Time

Infant Behavior and Development reports that during infancy predictive fine and gross motor scores were non linear. During the preschool years, predictive gross motor scores were non linear and fine motor scores were more linear. The authors suggest that professionals should be careful about reporting percentile scores. Children's scores were non linear which means depending upon when the children were tested their percentile scores did not remain consistent. Therefore, a child tested in May may be at the 50% for gross motor skills and 40% in June but that does not necessarily mean the child has regressed. If re-tested in August the child may score at the 60%. Interesting info!

Reference: J Darrah, A Senthilselvan and J Magill-Evans (2009) Trajectories of serial motor scores of typically developing children: Implications for clinical decision making Infant Behavior and Development Volume 32, Issue 1, January 2009, Pages 72-78

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