This paper, one in a series investigating day care services, is based on two assumptions concerning verbalizations of preschool children: (1) the complexity of verbalizations is more important than the quantity; and (2) the quality of care is directly related to the occurrence of the complexity of verbalizations. The higher the occurrence of…

This paper reports two studies which examined sequential dependence in the dyadic interaction between mother and infant. In the first study, brief videotaped behavioral samples were collected for 24 primiparous mother-infant (M - I) dyads to examine the degree of reciprocal contingency in M - I interactions. Two coders, using a computer interfaced…