Process Tracing And Causal Inference
Abstract
How should we judge competing explanatory claims in social science research? How can we make inferences about which alternative explanations are more convincing, in what ways, and to what degree? Case study methods—especially methods of within-case analysis such as process tracing— are an indispensable part of the answer to these questions (George and Bennett 2005: chap. 10). This chapter offers an overview of process tracing as a tool for causal inference, focusing on the study of international relations, an area rich with examples of this approach. In contrast to the subsequent two chapters in this volume (chaps. 11 and 12), where Freedman and Brady analyze micro-level examples, the present chapter explores process tracing in macro studies.
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Basic ideas about applying process tracing to causal inference may be summarized in terms of four empirical tests: straw-in-the-wind, hoop, smoking-gun, and doubly decisive.
“Basic ideas about applying process tracing to causal inference may be summarized in terms of four empirical tests. Slightly adapting the formulation of Bennett (2010), who builds on the work of Van Evera (1997), the tests are classified according to whether passing the test is necessary and/or sufficient for accepting the inference. Based on these criteria, table 1 presents the four tests: straw-”
From Understanding Process Tracing (2011) · cites this paper as Bennett 2010
Passing a straw-in-the-wind test only slightly weakens rival hypotheses.
“If a given hypothesis passes a straw-in-thewind test, it only slightly weakens rival hypotheses; with hoop tests it somewhat weakens them; with smoking-gun tests it substantially weakens them; and with doubly decisive tests passing eliminates them”
From Understanding Process Tracing (2011) · cites this paper as Bennett 2010
Passing a doubly decisive test eliminates rival hypotheses.
“If a given hypothesis passes a straw-in-thewind test, it only slightly weakens rival hypotheses; with hoop tests it somewhat weakens them; with smoking-gun tests it substantially weakens them; and with doubly decisive tests passing eliminates them”
From Understanding Process Tracing (2011) · cites this paper as Bennett 2010
Passing a hoop test somewhat weakens rival hypotheses.
“If a given hypothesis passes a straw-in-thewind test, it only slightly weakens rival hypotheses; with hoop tests it somewhat weakens them; with smoking-gun tests it substantially weakens them; and with doubly decisive tests passing eliminates them”
From Understanding Process Tracing (2011) · cites this paper as Bennett 2010
Passing a smoking-gun test substantially weakens rival hypotheses.
“If a given hypothesis passes a straw-in-thewind test, it only slightly weakens rival hypotheses; with hoop tests it somewhat weakens them; with smoking-gun tests it substantially weakens them; and with doubly decisive tests passing eliminates them”
From Understanding Process Tracing (2011) · cites this paper as Bennett 2010
Single tests that accomplish doubly decisive leverage are rare in social science, but this leverage may be achieved by combining multiple tests that together support one explanation and eliminate all others.
“As Bennett (2010, 211) notes, single tests that accomplish this are rare in social science, but this leverage may be achieved by combining multiple tests, which together support one explanation and eliminate all others.”
From Understanding Process Tracing (2011) · cites this paper as Bennett (2010, 211)
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- Authors
- Bennett, A.
- Corresponding author
- Bennett, Andrew
- ORCID
- Bennett, Andrew
- Venue
- Rethinking Social Inquiry
- Published
- 2010
- Pages
- 207-220
- OpenAlex
- W1938565716
- Cited by
- 415
- References
- 0
- Citations by year
- 2026: 46 · 2025: 11 · 2024: 27 · 2023: 47 · 2022: 38 · 2021: 40 · 2020: 24 · 2019: 41 · 2018: 12 · 2017: 25 · 2016: 26 · 2015: 20 · 2014: 30 · 2013: 12 · 2012: 8
- Type
- other
- Language
- en
- Open access
- closed
- Locations
- PhilSci-Archive (University of Pittsburgh) (acceptedVersion)
- Topics
- Social Sciences › Sociology and Political Science › Qualitative Comparative Analysis Research
- Social Sciences › Political Science and International Relations › Political Science Research and Education
- Social Sciences › Arts and Humanities › History and Philosophy of Science › Philosophy and History of Science
- Keywords
- process tracing, causal inference, alternative explanations, within-case analysis, case study method, international relations, macro-level analysis, explanation in social science
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