Author Question: Although external validity is a desirable quality in an experiment, it is often attained at the ... (Read 33 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
Although external validity is a desirable quality in an experiment, it is often attained at the expense of
 
  a. generalizability.
  b. random selection.
  c. applicability.
   d. internal validity.

Question 2

The null hypothesis is
 
  a. a tentative solution to the research problem.
   b. the hypothesis that is actually statistically tested.
  c. the prediction that a negative correlation exists among the variables.
  d. all of the above.



stano32

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

For a complete list of videos, visit our video library