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Author Question: Ex post facto research is less convincing than experimental research because a. there is no ... (Read 77 times)

fahad

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Ex post facto research is less convincing than experimental research because
 
  a. there is no control over the dependent variables.
  b. differences in the independent variable were present before the start of the study.
  c. differences in the dependent variable were present before the start of the study.
  d. the independent variable preceded the dependent variable in time.
  e. b and c

Question 2

The internal validity threat that randomization eliminates in an experimental study is
 
  a. selection bias. c. instrumentation.
  b. subject effects. d. history.



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matt

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Answer to Question 1

B

Answer to Question 2

A




fahad

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Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it


AmberC1996

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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