A researcher is equally capable of using a time-series design or a Solomon 4-groups design to test her hypothesis; which design would provide the most sophisticated causal evidence?
A) Time series
B) Solomon 4-groups
C) Both designs provide equally strong causal evidence
D) Neither design provides equally strong causal evidence

Question

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The Answer of A researcher is equally capable of using a time-series design or a Solomon 4-groups design to test her hypothesis; which design would provide the most sophisticated causal evidence?
A) Time series
B) Solomon 4-groups
C) Both designs provide equally strong causal evidence
D) Neither design provides equally strong causal evidence

A Researcher Is Equally Capable of Using a Time-Series Design