The Methodology of “Varieties of Democracy” (V-Dem) 1 | Zendy

Coppedge Michael | Zendy; Gerring John | Zendy; Knutsen Carl Henrik | Zendy; Krusell Joshua | Zendy; Medzihorsky Juraj | Zendy; Pernes Josefine | Zendy; Skaaning Svend-Erik | Zendy; Stepanova Natalia | Zendy; Teorell Jan | Zendy; Tzelgov Eitan | Zendy; Wilson Steven L. | Zendy; Lindberg Staffan I. | Zendy

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The Methodology of “Varieties of Democracy” (V-Dem) 1

Author(s) -

Coppedge Michael,

Gerring John,

Knutsen Carl Henrik,

Krusell Joshua,

Medzihorsky Juraj,

Pernes Josefine,

Skaaning Svend-Erik,

Stepanova Natalia,

Teorell Jan,

Tzelgov Eitan,

Wilson Steven L.,

Lindberg Staffan I.

Publication year - 2019

Publication title -

bulletin de méthodologie sociologique

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.419

H-Index - 17

eISSN - 2070-2779

pISSN - 0759-1063

DOI - 10.1177/0759106319854989

Subject(s) - democracy , reliability (semiconductor) , bayesian probability , point (geometry) , computer science , selection (genetic algorithm) , econometrics , point estimation , democratic theory , statistics , mathematics , artificial intelligence , political science , politics , law , power (physics) , physics , geometry , quantum mechanics

This article describes and discusses the new generation of methodological responses to measuring democracy and related issues generated by Varieties of Democracy (V-Dem). V-Dem is distinct in several regards in addition to its unique level of disaggregation, by the combination of: historical data extending back to 1900 and for a large selection among them to 1789 for many countries in the world; use of multiple, independent coders for each evaluative question; inter-coder reliability tests incorporated into a custom designed Bayesian item-response theory measurement model; provision of confidence bounds for all point estimates associated with expert-coded questions as well as for all indices; multiple indices reflecting varying theories of democracy; fully transparent aggregation procedures; and that all data are made freely available, including original coder-level judgments (exclusive of any personal identifying information).

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