“…That is, word type is one of many linguistic and motor factors that may interact in the production of speech and influence the content-function word dichotomy. Some of these confounding language variables that have been identified to explain this dichotomy include word stress, word familiarity, word length, initial consonant, position in word or sentence, motor demands, propositionality, 'meaningfulness', and information load (Brown, 1937;Hahn, 1942;Quarrington, Conway, and Siegel, 1962;Taylor, 1966;Soderberg, 1967;Wingate, 1979;Dayalu et al, 2002). Dayalu et al (2002) investigated whether AWS would show a differential pattern of disfluency on content or function words when some of these linguistic factors were controlled.…”