Title: The General Linear Ballistic Accumulator Model Authors: Ingmar Visser and Rens Poessé Affiliation: University of Amsterdam The linear ballistic accumulator (LBA) model (Brown & Heathcote, 2008) has proven succesfull in modelling response times from experimental data. This paper presents an extension of this model in which the LBA parameters can be modeled with linear effects to accomodate explanatory variables. An R package has been developed to fit these models using maximum likelihood estimation. The usefulness of this model is illustrated with various examples. We also present results from a parameter recovery study. Brown, S.D., & Heathcote, A. (2008) The simplest complete model of choice response time: Linear ballistic accumulation. Cognitive Psychology, 57, 153-178.