Examining transfer effects from dialogic discussions to new tasks and contexts

► We examined the transfer of learning from dialogic discussion to new tasks requiring the use of argumentation skills. ► We used an educational environment called Philosophy for Children (P4C). ► We conducted a quasi-experimental study, comparing P4C to Regular Instruction. ► We find that P4C students experienced more dialogic classroom interactions. ► However, P4C students performed similarly to Regular Instruction students on outcome measures. This study investigated whether students who engage in inquiry dialogue with others improve their performance on various tasks measuring argumentation development. The study used an educational environment called Philosophy for Children (P4C) to examine specific theoretical assumptions regarding the role dialogic interaction plays in the development of individual argumentation. Using quasi-experimental research design, we randomly assigned 12 fifth-grade classrooms to two treatment conditions: P4C and Regular Instruction (REG). To document treatment fidelity, we analyzed 36 systematically selected discussion transcripts focusing on various features of classroom discourse. To evaluate transfer performance, we administered 3 post-intervention measures, including an interview, a persuasive essay, and a recall of argumentative text. Our results confirm that there were important differences in discourse patterns that indicate that P4C students engaged in more dialogic interactions, compared to REG students. However, although P4C students had different classroom experience, they performed similarly to the Regular Instruction students on post-intervention measures. We discuss the lack of positive transfer and suggest directions for further research.