Toper, ÖzlemKaya, GülcanGenel, MelikeAkdemir, Mukaddes Yıldız2024-06-252024-06-252021-04-011301-0085https://doi.org/10.9779/pauefd.742142https://dergipark.org.tr/tr/pub/pauefd/issue/62022/742142https://hdl.handle.net/11452/42334The pyramid model is used for teaching behavioral skills, especially in professional development training in special education, and provides access to more people in a shorter time. In professional development training based on the pyramid model, it is seen that Behavioral Skills Training (BST) is frequently used. In this study, based on the pyramid model, three special education teachers were trained to conduct Multiple Stimulus without Replacement (MSWO) sessions via BST. Each of these three teachers provided training to three other staff in the same way. The study results, which was designed using the concurrent multiple baseline design model between the groups, show that all primary and secondary participants have reached the level that they can implement the MSWO offered by the BST with high treatment fidelity. The primary participants could be taught the MSWO to secondary participants by BST with high treatment fidelity.eninfo:eu-repo/semantics/openAccessFunctional-analysisStaffConductAcquisitionBehavioral skills trainingPyramidal modelPreference assessmentEducation & educational researchArticle0006448012000071792015210.9779/pauefd.7421421309-0275