The paper reviews the literature on early intervention programs with emphasis on programs for handicapped and at risk infants. The definition and goals of intervention for such infants are examined in relation to early childhood developmental characteristics. Studies demonstrating the effectiveness of early intervention for disadvantaged,…

The author analyzes evidence from 10 studies on early intervention (EC 181 136--181 145) in terms of the nature and quality of documentation. Qualified support for casual inference in most of the studies is cited along with problems in determining generalizability of findings. (CL)

Behavior analysts have spent relatively little time in designing interventions to enhance motor development in typically developing infants and children. This study examines the effect of a motor training package consisting of opportunity to respond and practice (standing the infant and letting her hold the fingers of the experimenter),…

Two experiments with young children with mental retardation found that a milieu teaching approach was effective in facilitating subjects' use of such prelinguistic communication skills as requesting, commenting, and vocal imitation, in both the training and generalized settings. Evidence of reciprocal effects on teacher-student interaction was…