Research Problem Validity in Primary Research

Schweinsberg, M., Thau, S., & Pillutla, M. Research problem validity: Truthfulness, precision, and transparency in research problems. Forthcoming in Perspectives on Psychological Science.

Abstract

Four validity types evaluate the approximate truth of inferences communicated by primary research. However, current validity frameworks ignore the truthfulness of empirical inferences that are central to research problem statements. Problem statements contrast a review of past research with other knowledge that extend, contradict, or call into question specific features of past research. Authors communicate empirical inferences, or quantitative judgments about the frequency (e.g., “few,” “most”) and variability (e.g., “on the one hand, on the other hand”) in their reviews of existing theories, measures, samples, or results. We code a random sample of primary research articles and show that 83% of quantitative judgments in our sample are both vague and their origin non-transparent, making it difficult to assess their validity. We review validity threats of current practices. We propose that documenting the literature search, how the search was coded, along with quantification facilitates more precise judgments and makes their origin transparent. This practice enables research questions that are more closely tied to the existing body of knowledge and allows for more informed evaluations of the contribution of primary research articles, their design choices, and how they advance knowledge. We discuss potential limitations of our proposed framework.

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