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Author Question: One can rule out the possibility of reverse causality if one can establish that a. X always ... (Read 45 times)

nummyann

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on: Jun 20, 2018
One can rule out the possibility of reverse causality if one can establish that
 
  a. X always precedes Y in time.
  b. Y, always precedes X in time.
  c. X may occur either before Y or after Y.
  d. It is impossible to say what the time relationship between X and Y is.

Question 2

Identify the threats to internal validity illustrated in the example below. The experimental group had a higher learning/growth rate than the control group even before the experiment began.
 
  a. Instrumentation
  b. Experimental mortality
  c. Selection-maturation interaction
  d. Statistical regression
  e. Diffusion


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Koolkid240

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

A

Answer to Question 2

C


nummyann

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Reply 2 on: Jun 20, 2018
Gracias!

AmberC1996

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Reply 3 on: Yesterday
Excellent

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