High school students complete an essay each week. The instructor told the class that no one will get an A or B on an essay in the class. As a consequence, the students hastily write the essays at what...

High school students complete an essay each week. The instructor told the class that no one will get an A or B on an essay in the class. As a consequence, the students hastily write the essays at what they consider a "C" level. This is a consequence of

 contingency blocking

 latent learning

 response generalization

 reinforcement

or learned helplessness