1 Evidence for the distinction between consonantal-/r/and vocalic-/r/in American English Sarah Lockenvitz*, Karrie Kuecker* and Martin ɛ. Ball† *University of Louisiana at Lafayette, USA †Linköping University, Sweden Contact details: Martin J. Ball IKE/Enhet för Logopedi Linköping University Linköping, Sweden martin.j.ball@liu.se