Author Question: What is the most scientifically sound method of conducting a clinical trial? a) eliminating ... (Read 19 times)

SAVANNAHHOOPER23 · **on:** Jun 22, 2018

What is the most scientifically sound method of conducting a clinical trial?

a) eliminating placebo conditions
b) allowing subjects to volunteer for the control group
c) conducting a case study of an experimental treatment
d) randomly assigning participants to control and treatment groups

Question 2

Fred gives his dog a treat each time the dog looks to the left. After a while, Fred only gives a treat when the dog takes a step to the left. Finally, Fred gives a treat only when the dog turns completely around. This situation is an example of

a) shaping.
b) extinction.
c) classical conditioning.
d) negative reinforcement.