Author Question: Which technique provides useful information when there are small changes from one treatment ... (Read 57 times)

kaid0807 · **on:** Jun 19, 2018

Which technique provides useful information when there are small changes from one treatment condition to another, when simulations are used or when a placebo is used?

a. random selection
b. random assignment
c. no-treatment controls
d. manipulation checks

Question 2

In what type of sample would you divide the sample into groups, typically along geographic lines, randomly select groups, and then measure all units within the sampled groups?

a. simple random
b. stratified random
c. systematic random
d. cluster random