A researcher studies the impact of stress on college students' ...

[newyorker26]

A researcher studies the impact of stress on college students' exam scores. Whether the results of this study help us to understand the relationship between stress and work performance in real-life institutions is a question of
 
  a. internal validity.
 b. study confounds.
 c. external validity.
 d. the original research hypothesis.

Question 2

Researchers use control groups to
 
  a. make comparisons to the treatment group.
 b. give all research participants an equal chance to participate in the study.
  c. control the hypothesis.
 d. randomize the experiment.

[amynguyen1221]

Answer to Question 1

c

Answer to Question 2

a

[newyorker26]

Gracias!

[mohan]

Thanks for the timely response, appreciate it