Sitko , Merrill C., and Alan G. Slemon. “Developing Teachers’ Questioning Skills: The Efficacy of Delayed Feedback”. Canadian Journal of Education/Revue canadienne de l’éducation 7, no. 3 (January 1, 1982): 109–121. Accessed September 20, 2026. https://cje-rce.ca/index.php/cje-rce/article/view/8140.