An oncologist, dr. maschel, would like to know if a support group would help her patients feel more satisfied with their treatment plan. dr. maschel has approximately 500 patients. she assigns each patient a number and uses a computer to randomly choose 100 of the numbers to participate in a support group. dr. maschel surveys her patients and finds that the patients in her support group are more satisfied with their treatment than those who did not participate in a support group. she concludes that the support group would be helpful for all her patients.

a. random sampling
b. control group
c. experimental group
d. generalization

Pairs
a. the choice 100 patients using a random number generator
b. the conclusion that the support group will help all patients
c, the 100 patient who participate in the support group
d. the 400 patients who do not participate in a support group