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Cremeux Cremeux
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9 years ago
If the state of Utah were to use an interrupted time-series design to study the effects of raising its speed limit to 65 mph, what type of confounding variables might present a problem?
A) Confounding due to selection and cohort effects.
B) Confounding due to history and instrumentation.
C) Confounding due to maturation and testing.
D) Confounding due to regression to the mean.
Textbook 
Research Methods: A Process of Inquiry

Research Methods: A Process of Inquiry


Edition: 8th
Authors:
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stylezstylez
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9 years ago
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Cremeux Author
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#2
9 years ago
Will mark your answer as best, thanks again.
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#3
9 years ago
Happy to help Slight Smile
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