Inactive substances similar to the experimental drugs given to ...

[WWatsford]

Inactive substances similar to the experimental drugs given to test the power of expectations are called:
 
  a. controls c. placebos
  b. distracters d. dependent variables

Question 2

Sometimes we cannot manipulate some of the variables we are most interested in (e.g., having cancer). We use naturally occurring groups. This form of research is known as:
 
  a. correlational c. clinical trials
  b. quasi-experimental d. controlled trials

[xMRAZ]

Answer to Question 1

C

Answer to Question 2

B

[WWatsford]

Excellent

[kjohnson]

Thanks for the timely response, appreciate it