An Exploratory Study of Preferred Tree Form

Abstract
Two computer-generated tree icons plus one icon copied from a nursery catalog were designed with five variations each in canopy size, trunk height, and trunk width. Seven classes of students selected the most attractive tree forms. Respondents showed a preference for larger canopies and for smaller and thinner trunks. Preferred canopy size was positively related to trunk thickness and less to trunk height. The results support the predictions of habitat theory regarding preferred tree shape and show the feasibility of using psychophysical methods to explore these issues.

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