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Author Question: Although external validity is a desirable quality in an experiment, it is often attained at the ... (Read 87 times)

ENagel

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on: Jul 13, 2018
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

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Reply #1 on: Jul 13, 2018
Answer to Question 1

D

Answer to Question 2

B


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