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Author Question: The internal validity of the pre-post designs is threatened by threats related to time. a. True ... (Read 73 times)

Haya94

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on: Jun 19, 2018
The internal validity of the pre-post designs is threatened by threats related to time.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

When an effect occurs when the proposed cause occurs, but the effect does not occur when the proposed cause has not occurred, ____ has been demonstrated.
 
  a. temporal precedence
  b. covariation
 c. plausibility
 d. causality


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cascooper22

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

True

Answer to Question 2

b


Haya94

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Reply 2 on: Jun 19, 2018
Gracias!

CAPTAINAMERICA

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Reply 3 on: Yesterday
Wow, this really help

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