Title slide reads "Contriving an MO: Offering one student a reinforcer may lead to the other student emitting a mand for food." Video begins with a woman and two children sitting at a table. The woman is holding a bag of chips. She says "Take a chip" and hands a chip to one of the children. The child begins eating the chip. The other child asks "Can I have a chip?". The woman responds "Sure" and gives a chip to the other child who proceeds to eat it.