I think either of three methods listed by you do not really present the exact quantification of your mental performance. Your performance on these tests will most probably depend on your interest in that particular kind of test. Therefore any results that you may get from these tests will have that subjectivity in them brought to the entire process by your level of interest for that particular kind of test.
I think either of three methods listed by you do not really present the exact quantification of your mental performance. Your performance on these tests will most probably depend on your interest in that particular kind of test. Therefore any results that you may get from these tests will have that subjectivity in them brought to the entire process by your level of interest for that particular kind of test.