Unlike forced-choice judgments that have been used previously (Schwartz, 1999; Schwartz &
Black, 1999), this judgment task used a nonverbal and interval scaled dependent variable. Thus, theoretically,
it would have been possible for participants to imagine the tilting movements and simply
indicate the final position of the imagined movement. However, the absence of any effects of diameter
suggests that an imagery strategy either was not used in the judgment task or was hardly
successful.