A researcher is using the balanced placebo design to investigate ...

[yoroshambo]

A researcher is using the balanced placebo design to investigate the effects of alcohol on aggression. What has this research added to our knowledge of alcohol?
 
  a. Given a choice, most participants prefer tonic to alcohol.
  b. Expectations play an important role in the effects attributed to alcohol.
  c. Alcohol has powerful placebo effects in the treatment of many medical conditions.
  d. The effects of alcohol are the result of an inherited failure to metabolize the drug.

Question 2

Some theorists associate alcoholism with exaggerated activation of an endogenous system in response to alcohol stimulation. Which system do they suggest?
 
  a. the alcohol system
  b. the dopamine system
  c. the opiod system
  d. the amygdala system

[mohan]

Answer to Question 1

Answer: b.

Answer to Question 2

Answer: c.