The study compared the effectiveness and efficiency of concurrent and isolation-intermix instruction in teaching four preschool children to read common words in their environment. Concurrent instruction resulted in students learning conditional discriminations in fewer trials and minutes of instructional time suggesting the value of teaching…

An adapted alternating treatments design was used to compare the effects of two interventions using different intertrial intervals on sight-word mastery rates among three elementary students with behavioral disorders and learning deficits. Results found both interventions to be equally effective in increasing sight-word reading accuracy.…