Bayley Scales of Infant Development


Bay·ley Scales of In·fant De·vel·op·ment

(bā'lē), a psychological test used to measure the developmental progress of infants over the first 2-1/2 years of life; consists of three scales: mental, motor, and behavior record.

Bayley Scales of Infant Development

Psychometric testing A revised standardization of the California First-Year Mental Scale, used in early stages of the Berkeley Growth Study, Bayley scales are applicable from birth to 15 months, measure varying stages of growth at each age level, supplemented by extensive longitudinal data on groups of infants

Bayley,

Nancy, U.S. psychologist, 1899–. Bayley Scales of Infant Development - a psychological test used to measure the developmental progress of infants.