35 chosen because "among the four MBTI scales, SN has been shown to be the one that behaves most like a cognitive style measure" (p. 120). Results indicated that the distribution of the SN scores was not bimodal, and intuitives ranked books first significantly more than did sensing types (p < .001). Hammer (1985) in another study of media preference and type also examined book reading behavior of an adult population. He found no "significant main effects or interactions involving any of the MBTI scales on number of fiction books read, total number of books read or hours of television watched per day" (p. 22). These results differed from those reported above by Hicks (1984). However, Hammer pointed out that "Hicks herself suggested that the difference between sensing and intuitive subjects on book reading might be reduced if subjects were sampled from settings with richer leisure opportunities compared to the isolated rural setting where her data were collected" (p. 25). These two studies suggest that the behavior of book reading may be related to type given certain conditions. More research is needed to define those conditions. A review of perceptual and cognitive motivational studies and type theory should not end without Lawrence's (1984) review of research on learning style and type. Lawrence explained the aspects of psychological make up of learning styles: a) Cognitive style in the sense of preferred or habitual patterns of mental functioning: information processing, formation of ideas and judgments. b) Patterns of attitudes and interests that influence what a person will attend to in a potential learning situation. c) A disposition to seek out learning environments compatible with one's cognitive style, attitudes and interests, and to avoid environments that are not congenial. d) Similarly, a disposition to use certain learning tools and avoid others. (p. 2)