In true experiments, researchers attempt to implement a high ...

[mydiamond]

In true experiments, researchers attempt to implement a high degree of control in order to
 
  a. make the study more naturalistic.
  b. enhance the study's external validity.
  c. minimize the likelihood of confounding.
  d. avoid making cause-effect conclusions.

Question 2

Experiments can lead to cause-effect conclusions if they meet three different criteria: 1) covariation of variables; 2) causal time sequence; and 3)
 
  a. strong, positive correlations between the variables being investigated.
  b. elimination of other plausible causes.
  c. representing real world situations and events.
  d. utilizing white, laboratory rats as research subjects.

[Li Jun]

Answer to Question 1

c

Answer to Question 2

b