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Reactivity: What kind of confound?In this paper we use an interventionist framework (Woodward 2003) in order to analyse the challenges that reactivity can pose to causal inference in experiments with humans. This framework allows us to distinguish between malign and benign forms of reactivity, in terms of their effects on the validity of causal inferences drawn from experimental results. We further argue that malign forms of reactivity do not render the data from a given experiment devoid of interest, but they do render it causally uninterpretable.
Logic, HIstory and Philosophy of Science