Introduction to the Virtual Issue: Addressing Measurement Comparability in Survey Research

Sebastián M. Saiegh

Birds of the Same Feather Tweet Together: Bayesian Ideal Point Estimation Using Twitter Data

Pablo Barberá

Using Joint Scaling Methods to Study Ideology and Representation: Evidence from Latin America

Sebastián M. Saiegh

A Common Left-Right Scale for Voters and Parties in Europe

James Lo, Sven-Oliver Proksch, and Thomas Gschwend

Bayesian Metric Multidimensional Scaling

Ryan Bakker and Keith T. Poole

An Analysis of ANES Items and Their Use in the Construction of Political Knowledge Scales

Matthew T. Pietryka and Randall C. MacIntosh

Estimating Party Positions across Countries and Time—A Dynamic Latent Variable Model for Manifesto Data

Thomas König, Moritz Marbach, and Moritz Osnabrügge

The Origins and Implications of Language Effects in Multilingual Surveys: A MIMIC Approach with Application to Latino Political Attitudes

Efrén O. Pérez

Apples and Oranges? The Problem of Equivalence in Comparative Research

Daniel Stegmueller