Dr. Langston is undertaking a formal trial to confirm or disconfirm his hypothesis regarding whether his new drug will more rapidly alleviate migraine headaches. Dr. Langston is conducting a(n)
A)naturalistic observation.
B)medical survey.
C)case study.
D)experiment.

Question

Quizplus · Accepted Answer

Dr. Langston is conducting an experiment because he is manipulating a variable (the new drug) to determine its effect on another variable (the speed at which migraine headaches are alleviated), which is the hallmark of experimental research.

Dr Langston Is Undertaking a Formal Trial to Confirm or Disconfirm