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Research indicates that the Psychopathy Checklist: Youth Version (PCL:YV) is effective in identifying psychopathy syndrome in teenage boys that is consistent with research and theory on adult men. Studies were conducted on 115 teenage boys on probation.

Two studies were conducted to measure interpersonal behavior associated with psychopathy. Ninety-eight male inmates and 92 male and female college students were interviewed to rate their interpersonal behaviors by using the Interpersonal Measure of Psychopathy (IM-P) and the Psychopathy Checklist-Revised (PCL-R). Results suggest that measurement of interpersonal behavior of psychopathic persons is improved when IM-P is used together with the PCL-R.

The mood patterns of normal subjects and subjects with either cyclothymia or intermittent depression were assessed to identify the differences between subsyndromal unipolar and bipolar affective disorders. Results revealed that normal subjects and subjects with affective disorders differed in terms of negative affect level and variability. Subjects with intermittent depression exhibited lower levels of trait and daily positive affect compared to those with cyclothymia.

Window size preferences were studied in two experiments using a 1/12 scale model. In the first experiment, subjects viewed small- to medium-sized offices. The experiment showed that window preferences are affected by room size. Preferred window size is not a constant proportion of a wall size. Rather, a larger proportion is preferred for smaller rooms. Second, the experiment showed that scenes perceived as more beautiful lead to larger preferred windows. Third, office work experience of subjects had no effect on preferences. Experiment 2, which incorporated several changes, confirmed all three of these findings. In addition, this experiment showed that window size preferences are also affected by the type of the room. Subjects viewing the same model preferred smaller windows for a computer work room than for an office.