Can regular education teachers learn to use the LtM prompt hierarchy? Would child compliance increase in response to teacher behavior? Subjects & Setting Using Least-to-Most Assistive Prompt Hierarchy to Increase Child Compliance with Teacher Directives in Preschool Classrooms Discussion Data Procedures Behavior Definitions Observation system Event recording-an event began when a teacher gave any prompt to a child and ended when one fo the following occurred: (a) the child completed the task within 5 s, (b) the child did not complete task within 5 s, (c) the teacher under observation issued anew or repeated verbal prompt