The effects of an observer's presence on maternal interactive behavior were examined through observation of mother-child pairs under informed and uninformed conditions. Results indicate mothers played with their children more, were more positive in their verbal behavior, and structured their children's activities more during the informed than…

Children's ability to produce integrated sequences of discrete behaviors was examined as a function of age and task demands for several behavioral domains. Results are discussed in terms of possible age-related constraints on combinatorial skills that operate at a general, cross-domain level during toddlerhood. (RH)

Evaluated the extent to which infants' expressive modalities of face, gaze, voice, gesture, and posture form coherent affective configurations and whether these modalities are related to specific interactive contexts. Found four distinct affective configurations: social engagement, object engagement, passive withdrawal, and active protest. (MDM)

It was suggested that working-class mothers less frequently believed that their infants were capable of communicating with other people, and hence felt it was futile to attempt to interact with them verbally. (Authors)

Observed the decision-reaching and leadership behavior of children in same- amd mixed-age triads by coding their verbalizations in arriving at a consensus for their preference ranking of eight pictures. (HOD)