Evaluating Sources for Causal Claims
A researcher is studying healthcare access disparities across socioeconomic groups. Which type of source would provide the strongest evidence to challenge existing assumptions about causation?
A
A qualitative study focusing solely on testimonials from patients facing barriers due to economic constraints.
B
Articles by healthcare economists discussing theories behind access disparities but lacking supportive empirical data.
C
A panel dataset tracking patient outcomes related to access over multiple years across different economic brackets.
D
Hospital records detailing individual patient visits from various socioeconomic statuses within one fiscal year.
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