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Author Question: Selection bias and maturation are threats to A) internal validity. B) testing. C) experimental ... (Read 21 times)

NClaborn

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on: Jul 13, 2018
Selection bias and maturation are threats to
 
  A) internal validity. B) testing.
  C) experimental mortality. D) double-blind.

Question 2

__________ samples possible telephone numbers using computer -based random sampling.
 
  Fill in the blanks with correct word


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vish98

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

A

Answer to Question 2

Random-digit dialing


NClaborn

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Reply 2 on: Jul 13, 2018
Wow, this really help

laurnthompson

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Reply 3 on: Yesterday
:D TYSM

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