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Author Question: Some threats to internal validity are related to time and other threats are related to differences ... (Read 109 times)

APUS57

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on: Jun 19, 2018
Some threats to internal validity are related to time and other threats are related to differences between groups. What is a threat related to time?
 
  a. history effects
 b. assignment bias
 c. selection bias
 d. differential attrition

Question 2

Fritz is conducting a survey that addresses several complex social justice issues and he knows that some respondents will likely need clarifications. His best choice for methodology is a(n) ____.
 
  a. group questionnaire
  b. phone interview
  c. mail questionnaire
  d. e-mail questionnaire


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Awesome

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Reply #1 on: Jun 19, 2018
Answer to Question 1

a

Answer to Question 2

b


APUS57

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Reply 2 on: Jun 19, 2018
Gracias!

duy1981999

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Reply 3 on: Yesterday
:D TYSM

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