Examines and rejects common criticisms of the causality concept; shows causality is a relation implied in the grammar of a language about objects. Discusses objective criteria for concepts of causal relations and explains how the concept of causality may be modified to have causes determine probabilities of outcomes. (Author/RH)

Four current approaches to understanding temperament are discussed. Theorists representing four postions--Goldsmith, Buss and Plomin, Rothbart, and Thomas and Chess--outline their views by reponding to six common questions. Commentaries highlighting differences and similarities between the positions are offered by Hinde and McCall. (Author/BN)

When 96 mothers and 46 fathers of 6- or 13-month-old infants independently generated behavioral cues they believed contributed to their perception of their infant's recent easiness/difficultness, few systematic differences were found between easy and difficult infants, 6- and 13-month-olds, males and females, and firstborn and later-born.…

Accuracy-disabled and rate-disabled young Canadian readers were compared to children who were "fluent normal" readers. Children in the latter group decoded at the same level of accuracy as the rate-disabled subjects but at a significantly faster rate. Specific deficiencies of each of the disabled groups were identified. (Author/RH)

Five common play criteria were applied by subjects to a videotape of nursery school children's behavior, rated separately for occurrence of play. The idea that play is best predicted by a combination of criteria was supported by the finding that, when more criteria occurred simultaneously, the more certainly a judgment of play was implied.…