Participants in human experiments are generally selected a. at ...

[Brittanyd9008]

Participants in human experiments are generally selected
 
  a. at random from the population.
   b. based on convenience and availability.
  c. through lotteries and newspaper ads.
  d. from phone books or class rosters.

Question 2

The most common criticism regarding the use of college student participant pools is that
 
  a. students are coerced into participating in research.
  b. it may compromise internal validity.
  c. it may compromise external validity.
  d. it may introduce a confounding variable.

[polinasid]

Answer to Question 1

B

Answer to Question 2

C

[Brittanyd9008]

Thanks for the timely response, appreciate it

[softEldritch]

Excellent