The most significant threat to internal validity of the time series design is

Author Question: The most significant threat to internal validity of the time series design is (Read 141 times)

Tirant22

Hero Member
Posts: 532

on: Mar 8, 2019

The most significant threat to internal validity of the time series design is
◦ regression.
◦ history.
◦ mortality.
◦ maturation.

Educational Research: Competencies for Analysis and Applications ¦ Mills, Gay ¦ 11^th Edition

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cat123

Sr. Member
Posts: 310

Reply #1 on: Mar 8, 2019

history.

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Tirant22

Hero Member
Posts: 532

Reply #2 on: Mar 8, 2019

cat123

Sr. Member
Posts: 310

Reply #3 on: Mar 8, 2019

You're welcome

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