A Crash Course in Good and Bad Controls

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Bibliographic Details
Title: A Crash Course in Good and Bad Controls
Language: English
Authors: Carlos Cinelli (ORCID 0000-0002-2021-7739), Andrew Forney (ORCID 0000-0002-6366-1290), Judea Pearl
Source: Sociological Methods & Research. 2024 53(3):1071-1104.
Availability: SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: https://sagepub.com
Peer Reviewed: Y
Page Count: 34
Publication Date: 2024
Sponsoring Agency: National Science Foundation (NSF), Division of Information and Intelligent Systems (IIS)
Office of Naval Research (ONR) (DOD)
Contract Number: 2106908
N0001417S12091
N000142112351
Document Type: Journal Articles
Reports - Descriptive
Descriptors: Regression (Statistics), Robustness (Statistics), Error of Measurement, Testing Problems, Causal Models
DOI: 10.1177/00491241221099552
ISSN: 0049-1241
1552-8294
Abstract: Many students of statistics and econometrics express frustration with the way a problem known as "bad control" is treated in the traditional literature. The issue arises when the addition of a variable to a regression equation produces an unintended discrepancy between the regression coefficient and the effect that the coefficient is intended to represent. Avoiding such discrepancies presents a challenge to all analysts in the data intensive sciences. This note describes graphical tools for understanding, visualizing, and resolving the problem through a series of illustrative examples. By making this "crash course" accessible to instructors and practitioners, we hope to avail these tools to a broader community of scientists concerned with the causal interpretation of regression models.
Abstractor: As Provided
Entry Date: 2024
Accession Number: EJ1434877
Database: ERIC
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Description
Abstract:Many students of statistics and econometrics express frustration with the way a problem known as "bad control" is treated in the traditional literature. The issue arises when the addition of a variable to a regression equation produces an unintended discrepancy between the regression coefficient and the effect that the coefficient is intended to represent. Avoiding such discrepancies presents a challenge to all analysts in the data intensive sciences. This note describes graphical tools for understanding, visualizing, and resolving the problem through a series of illustrative examples. By making this "crash course" accessible to instructors and practitioners, we hope to avail these tools to a broader community of scientists concerned with the causal interpretation of regression models.
ISSN:0049-1241
1552-8294
DOI:10.1177/00491241221099552