Examined relations among adrenocortical stress reactivity, infant emotional or proneness-to-distress temperament, and quality of attachment in 66 infants tested at 9 and 13 months. Adrenocortical activity was not associated with attachment classifications. Significant only at 9 months, elevations in cortisol were small. (RH)

Examines the effect of an unfamiliar peer in a situation requiring a subject's separation from mother in order to play with attractive toys. Observation of 20 children 18 months old and 20 children 30 months old revealed that peer presence facilitated initial separation for both ages, but that age differences in subsequent behaviors existed. (CB)

Investigates the influence of infant-mother attachment patterns on the development of peer interaction between the toddler and preschool periods. Notes that, in an initial encounter with an unfamiliar peer, attachment patterns appear to be related more to the child's attractiveness as an interactive partner than to the child's own active interest…