Title slide reads "Transfer of operant control from other types of VB to the Mand". Video begins with a teacher and a student sitting at a table facing each other. The teacher has a piece of apple in her hand and says "Apple". The student repeats "Apple" and is handed the piece of apple. On screen text reads "Echoic to Vocal mand transfer". The teacher holds up a piece of apple and the student says "Apple". The teacher hands the piece of apple to the student.