A review of the January 1993 issue of the "Journal of the Experimental Analysis of Behavior" concludes that behavioral interventions produce collateral effects, but predicting those effects in applied work is complicated because of verbal and instructional influences and because of interactions among reinforcer types. (JDD)

A natural language sample of babble and words was obtained for 47 2-year-old children and compared with expressive language scores 5 months later. More than 50 percent of the variance in language outcome test scores was accounted for by rate of word use, rate of vowel babble, and behavior problems. (Author/DB)

Direct observation and sequential analytic techniques were used to analyze rates, antecedents, and predictive sequences of aggressive behavior for 28 elementary school-aged children with emotional/behavioral disorders. Results indicated that low rates of positive social interactions characterized the daily classroom ecology of students displaying…

Three construct scores (academic skills, parent discipline, and parent involvement) and 2 discrete code category measures (positive responses and total positive behavior) were recorded for 39 antisocial and 41 at-risk grade-4 boys. Five resulting regression prediction models produced strong effects in accounting for school achievement, adjustment,…