AbstractLanguage arises out of the infant‐caregiver's nonverbal communication patterns. These patterns are transactional in nature and are in part stimulated by genetically based fixed‐action patterns of the infant. Child‐rearing practices of the caregiver greatly influence the rate and nature of infant's language development and later measures of achievement, particularly IQ scores. Marked differences in child‐rearing patterns are found among social class, ethnic and racial groups. Means of facilitating an infant's development are di