This thesis investigates the role of selected Australian Labor Party (ALP) premiers from 1915 to 2007. The ALP began as what Duverger terms a ‘mass party’, and as such, developed internal structures designed to subordinate the parliamentary wing to the extra-parliamentary wing. However, the substantial social change of the last half century, (particularly the decline of many ‘blue collar’ industries and the emergence of television), has led many political scientists, most notably, Kirchheimer, Panebianco and Katz and Mair, to hypothesise that in order to ensure their continued existence, mass parties have evolved into new types of party organisations. A cornerstone of these new models of political organisation is the increasing autonomy of ...