In an experiment testing the effects of alcohol on performance, ...

[swpotter12]

In an experiment testing the effects of alcohol on performance, Group A receives 3 nonalcoholic beers, Group B receives 6 nonalcoholic beers, Group C receives 3 alcoholic beers, and Group D receives 6 alcoholic beers. The independent variable(s) in this experiment is/are
 
  a. amount of alcohol.
  b. number of drinks.
  c. amount of alcohol and number of drinks.
  d. level of performance after drinking.

Question 2

All experiments must have either a no-treatment control group or a placebo control group.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[cupcake16]

Answer to Question 1

C

Answer to Question 2

False

[swpotter12]

Thank you

[cupcake16]

No problem