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Author Question: To achieve partial control in ex post facto research, the researcher can a. conduct a pilot study ... (Read 1877 times)

Mr3Hunna

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on: Jun 20, 2018
To achieve partial control in ex post facto research, the researcher can
 
  a. conduct a pilot study to determine a common cause.
  b. match subjects on as many extraneous variables as possible.
  c. randomly assign subjects to experimental and control groups.
  d. b and c

Question 2

Identify the threats to internal validity illustrated in the example below. Some students left the experimental program because of a conflict with sports.
 
  a. Instrumentation
  b. Experimental mortality
  c. Selection-maturation interaction
  d. Statistical regression
  e. Diffusion


katieost

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

B


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