In an attempt to provide some indication as to whether the recent employment trends among scientists is resulting in a drop of the ability of students entering scientific fields, GRE files were used to construct a history of aptitude test statistics for 1966-67, 1967-68, 1970-71, and 1971-72. For the latter three years, students were classified by the department which they indicated should receive their scores. For data from 1966-67, classifications were based on the fields which students indicated an intention to study. The latter means were unaccountably depressed. Declining trends in means were noted for the last three years studied for physical sciences math sciences, engineering, basic social sciences, applied social sciences, and the arts and humanities. A declining trend in the Quantitative score was very strong for physical sciences, math sciences, and engineering, and a declining trend in Verbal scores was also noted in the other areas mentioned above. The trends noted are in agreement with the hypotheses of the study, though such agreement does not by itself imply any particular effective cause. Given these results, suggestions were made for a continuing monitorship of similar data and a validation of trends noted in the history file. (Author/KM)