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Author Question: The most significant threat to internal validity of the time series design is (Read 130 times)

Tirant22

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on: Mar 8, 2019
The most significant threat to internal validity of the time series design is
◦ regression.
◦ history.
◦ mortality.
◦ maturation.
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cat123

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Reply #1 on: Mar 8, 2019
history.


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Tirant22

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Reply #2 on: Mar 8, 2019
TY


cat123

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Reply #3 on: Mar 8, 2019
You're welcome


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