1) David is addicted to a drug that increases his blood sugar level, temporarily giving
him more energy. David always takes this drug in the bathroom. He finds that he
becomes tired when he enters the bathroom and also that he needs more and more of the
drug to maintain the same high energy level. From the perspective of classical
conditioning, which one of the following is the most likely explanation of Davids
increasing addiction to the drug?
a.Lowering blood sugar level to counteract the effect of the drug has become a
conditioned response to the bathroom stimulus.
b.David has learned to respond to some drugs but not to others through the combined
processes of stimulus discrimination and higher-order conditioning.
c.Taking the drugs provides negative reinforcement, in that David no longer feels tired.
d.Associative bias has predisposed David to associate the bathroom with fatigue.
2) Three of the following teachers are providing scaffolding to help their students learn.
Which one is not necessarily providing scaffolding?
a.Ms. Applegate gives her students a structure to follow when they write their first
essay.
b.Mr. Bernardo teaches students how to perform an overhand throw by gently guiding
each student through the correct movement a few times.
c.Ms. Chen gives her class some hints about how to solve an especially difficult word
problem.
d.Mr. Donaldson takes his students on an all-day field trip to the art museum.
3) Ms. Hernandez is concerned about Brian, a student in her high school chemistry
class who rarely interacts with other students. Ms. Hernandez decides to smile at Brian
on those occasions when she happens to notice him talking with another student. Yet
after three weeks she sees little change in his behavior. Based on this information,
which one of the following is definitely wrong with Ms. Hernandezs approach?
a.Brian has little to gain by changing his behavior.
b.Brian is receiving intermittent rather than continuous reinforcement.
c.Social interaction is not an intrinsically reinforcing activity.
d.A smile is not an effective reinforcer.
4) Which one of the following best illustrates collective self-efficacy in teachers?
a.The teachers at West Middle School confer weekly about students who they believe