Karol Kaltenbach, Marsha Weinraub, William Fullard, Infant Wariness toward Strangers Reconsidered: Infants' and Mothers' Reactions to Unfamiliar Persons, Child Development, Vol. 51, No. 4 (Dec., 1980), pp. 1197-1202
No takes yet. Share an insight, caveat, or question.
Kaltenbach et al. (1980) studied this question.