“…(For a discussion of this work and of the concept of motivation to learn as related to the learning problems, see Adelman & Taylor, 1983a& Taylor, , 1983b& Taylor, , 1984& Taylor, , 1985& Taylor, , 1986a.) Part of this work has been concerned with differential diagnosis (Adelman, 1978(Adelman, , 1979a(Adelman, , 1979bAdelman & Taylor, 1983a, 1986b.…”