“…When extracted from a collection of learning tasks, a general factor has been shown to correlate strongly with the general factor drawn from intelligence tests (Jensen, 1998, pp. 276-277;Kyllonen & Shute, 1989. This interpretation is challenged by the results from a pair of extensive studies by Underwood and his colleagues (Malmi, Underwood, & Carroll, 1979;Underwood, Boruch, & Malmi, 1978). They presented subjects an assortment of verbal learning tasks, including free recall, pairedassociates, serial list learning, verbal discrimination learning, memory span, and recognition memory, and found strong evidence of a generalized learning ability.…”