Lang and Melamed (1969) Conducted a Single-Case Experiment in an Attempt

Multiple Choice

Lang and Melamed (1969) conducted a single-case experiment in an attempt to get a boy to cease vomiting after his meals. They recorded baseline observations and then instituted a treatment (brief shocks to his leg every time he vomited) . Why didn't Lang and Melamed reverse the treatment?

A) The parents of the boy were opposed to the shock treatment.
B) The researchers had limited time with the boy and were not able to finish the experiment.
C) The researchers thought it would be unethical to reverse treatment.
D) All of the above.