This volume includes reports of five research projects of the Kansas Center for Research in Early Childhood Education: (1) Individual Differences in Newborn and Young Infants, including research with the Brazelton Neonatal Assessment Scale and laboratory studies of infant discriminative abilities; (2) Development of Social Competence, including reports on the use of videotape apparatus in time-coding of social interaction, a code for temporal analysis of mother-infant interaction, and computer analysis of time-coded mother-infant interaction; (3) Attention and Cognitive Styles, including a users' manual and a technical report on the Kansas Reflection-Impulsivity Scale for Preschoolers (KRISP) as well as two studies of attending behavior in young children; (4) Development of Generative Language in Retarded Children, including a study of the effects of contingent modeling on usage of passive voice by normal preschoolers; and (5) Infant Day Care Research, reporting on across-environment evaluation and data gathering procedures. (BF)