The Circles test was administered to 115 Grade Twelve students, first with instructions saying that they had ten minutes to work on the test, and then after they had indicated the point they reached in ten minutes, with instructions that they could work for as long as they liked. Subjects' scores and items' weights were calculated separately for the first ten minutes' work, and then for the whole test. Scores on the total test were significantly correlated with scores in the first ten minutes, while highly uncommon responses were found in both the early and late responses. Nonetheless, there was a significant tendency for original responses to appear more commonly in late responses.