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Author Question: Which of the following researchers outlined threats to internal validity many years ago? a. ... (Read 20 times)

pepyto

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

B

Answer to Question 2

A


pepyto

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Reply 2 on: Jul 13, 2018
Gracias!

zacnyjessica

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Reply 3 on: Yesterday
Excellent

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