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Author Question: Which of the following researchers outlined threats to internal validity many years ago? a. ... (Read 74 times)

pepyto

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Which of the following researchers outlined threats to internal validity many years ago?
 
  a. Shadish, Cook, and Campbell
  b. Campbell and Stanly
  c. Stanly and Cook
  d. Shadish and Stanly

Question 2

Student rankings in a class is an example of a(n) scale.
 
  a. ordinal
  b. nominal
  c. ratio
  d. interval



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gasdhashg

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Answer to Question 1

B

Answer to Question 2

A




pepyto

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Reply 2 on: Jul 13, 2018
:D TYSM


ttt030911

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Reply 3 on: Yesterday
Gracias!

 

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