This article confronts some general methodological issues involved when analyzing 'euroscepticism,' ie., opposition to European integration. Reviewing the literature on party-based & public euroscepticism, the article proceeds with a presentation & critical examination of conceptual frameworks & models suggested in previous research on public attitudes towards the EU. Drawing on eg., the Eurobarometer surveys, the strengths & weaknesses of different analytical frameworks arc demonstrated. The article concludes with a discussion about measurement issues related to empirical analyses of public opposition to European integration. Adapted from the source document.