The GRE (Graduate Record Exam) is required for admission to U.S. and Canadian graduate schools. Most students attend graduate school for a master or doctoral degree. The GRE exam does not test any specific knowledge in certain subject. Rather, it tests the "mental intelligence" as well as the ability to make decision under time pressure.

The GRE General Test measures 3 Skills of Test Takers :
a) Verbal Reasoning
b) Quantitative Reasoning
c) Analytical Writing
These Skills have been acquired over a long period of time during Student's Development and these are not related to any Specific field of Study.