The Stability of Congressional Roll-Call Indexes

Richard Herrera; Thomas Epperlein; Eric R A N Smith

doi:10.1177/106591299504800210

The Stability of Congressional Roll-Call Indexes

Richard Herrera, Thomas Epperlein, Eric R A N Smith

Politics and Global Studies, School of (SPGS)

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

This study builds on previous work that has shown congressional roll-call indexes to be both reliable and valid indicators of House members' ideolo gy. Using a longitudinal set of data comprised of Americans for Democratic Action (ADA) ratings, Americans for Conservative Action (ACA) scores, Congressional Quarterly's Conservative Coalition (CC) ratings and Nation al Journal's (NJ) scores, we examine the stability of the indexes using a con firmatory factor model. The results confirm the high level of validity and reliability found previously and provide evidence of an equally high level of stability. Congressional roll-call indexes, though based on a sampling of votes taken in the House of Representatives, perform quite well with regard to these three measurement characteristics.

Original language	English (US)
Pages (from-to)	403-416
Number of pages	14
Journal	Political Research Quarterly
Volume	48
Issue number	2
DOIs	https://doi.org/10.1177/106591299504800210
State	Published - Jun 1995

ASJC Scopus subject areas

Sociology and Political Science

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title = "The Stability of Congressional Roll-Call Indexes",

abstract = "This study builds on previous work that has shown congressional roll-call indexes to be both reliable and valid indicators of House members' ideolo gy. Using a longitudinal set of data comprised of Americans for Democratic Action (ADA) ratings, Americans for Conservative Action (ACA) scores, Congressional Quarterly's Conservative Coalition (CC) ratings and Nation al Journal's (NJ) scores, we examine the stability of the indexes using a con firmatory factor model. The results confirm the high level of validity and reliability found previously and provide evidence of an equally high level of stability. Congressional roll-call indexes, though based on a sampling of votes taken in the House of Representatives, perform quite well with regard to these three measurement characteristics.",

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AB - This study builds on previous work that has shown congressional roll-call indexes to be both reliable and valid indicators of House members' ideolo gy. Using a longitudinal set of data comprised of Americans for Democratic Action (ADA) ratings, Americans for Conservative Action (ACA) scores, Congressional Quarterly's Conservative Coalition (CC) ratings and Nation al Journal's (NJ) scores, we examine the stability of the indexes using a con firmatory factor model. The results confirm the high level of validity and reliability found previously and provide evidence of an equally high level of stability. Congressional roll-call indexes, though based on a sampling of votes taken in the House of Representatives, perform quite well with regard to these three measurement characteristics.

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The Stability of Congressional Roll-Call Indexes

Abstract

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