Scales of Infant Development


Discuss the Bayley Scales of Infant Development. What might interfere with the infant’s performance?


The Bayley Scales of Infant Development is a developmental test designed to assess children aged 1 month and three and a half years old. It assesses the strengths and weaknesses of five developmental areas: cognitive, language, motor, social-emotional and adaptive behavior. Each area is scored with a DQ (developmental quotient) to assist with early detection of emotional disturbances and sensory, neurological and environmental deficits. If any of the previously stated conditions are detected professionals can then work with the child’s caregivers to plan for their child’s specific needs. The Bayley Scales of Infant Development list milestones that are usually achieved at a certain age such as rolling from their back to tummy and vice versa around 6 months and walking independently by 15 months. There are quite a few things that could interfere with an infant’s performance. First, the infant may not be comfortable with strangers and therefore not cooperative during the test (if given by a stranger). Something else that might interfere with the infant’s performance is if the child is hungry, tired, etc. Mood can greatly affect anyone’s performance.

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