“…The notion that plans underlying message production are hierarchically organized is widely accepted among students of action production in general and speech production in particular (Alterman, 1988; Brand, 1984; Bratman, 1987Bratman, ,1990 Butterworth, 1980; Butterworth & Goldman-Eisler, 1979; Hjelmquist, 1991;Hjelmquist & Gidlund, 1984; Hobbs & Evans, 1980; Kreitler & Kreitler, 1987; Levelt, 1989; Miller, Galanter, & Pribram, 1960; Sacerdoti, 1977;Srull& Wyer, 1986; Waldron, 1990;Wdensky 1983). Considerable empirical evidence has been adduced to support their claim (Abbott & Black, 1986; Bower, Black, & Turner, 1979;Cahill & Mitchell, 1987; Lichtenstein & Brewer, 1980; Seifert, Robertson, & Black, 1985; Waldron, 1990; Waldron & Applegate, 1994).…”