One of the major findings of the study was the difference in the sensing-perception
(SP) temperament between both eighth- and twelfth-grade African
American and caucasian students. For example, for the eighth-grade sample
SPs comprised 49.06 percent of the total eighth-grade sample, 100 percent of
eighth-grade African American males, 70.59 percent of eighth-grade African
American females, 30.77 percent of eighth-grade caucasian males, and 50.00
percent of eighth-grade caucasian females. Conversely, for the twelfth grade
sample SPs comprised 25.19 percent of the total twelfth-grade sample, 50 percent
of twelfth-grade African American males, 21.95 percent of twelfth-grade
African American females, 21.95 percent of twelfth-grade caucasian males, and
22.86 percent of twelfth-grade caucasian females. Statistically significant differences
were also found in the SJ and NT temperaments for both the African
American and caucasian samples.