Sampling bias would most likely not be a problem in which of the ...

[rlane42]

Sampling bias would most likely not be a problem in which of the following situations?
 
  a. A purposive sampling design was used to select the subjects.
  b. Volunteers are recruited to serve as subjects.
  c. Randomization was used to assign subjects to experimental and control groups.
  d. Subjects who differ in the independent variable are also different in other important aspects.

Question 2

If a researcher wishes to generalize the results of a study to a specifically defined population, he/she should arrange a research study in which
 
  a. subjects from the specific population are required to participate in the study.
  b. a table of random numbers is used.
  c. only a few variables are investigated.
  d. subjects are selected randomly from the specific population.

[Awesome]

Answer to Question 1

C

Answer to Question 2

D

[rlane42]

TYSM

[komodo7]

Thanks for the timely response, appreciate it