Research Methods for Causal Inference
Which research method is most suitable for establishing a causal relationship between two political variables?
A
A descriptive cross-sectional survey capturing public opinion at a single point in time
B
A randomized controlled experiment where one group faces policy intervention and a control group does not
C
A combined content analysis of news articles, focus group transcripts, and historical archives synthesized into a Bayesian structural equation model to infer directional causality
D
A comparative case study examining similar events in two different countries without a manipulation
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