The paper proposes a latent class version of Combination of Uniform and (shifted) Binomial random variables ( <Emphasis FontCategory="NonProportional">CUB ) models for ordinal data to account for unobserved heterogeneity. The extension, called  <Emphasis FontCategory="NonProportional">LC-CUB , is useful when the heterogeneity is originated by clusters of respondents not...</emphasis></emphasis>