Thank you, Kasha.
This is in all probability one of the tests. I will have to think about what other tests they might use. I was thinking Myers-Briggs Type Indicator (only 93 questions in Step 1):A total of 536 questions
Myers-Briggs Type Indicator - Wikipedia, the free encyclopediaThe MBTI instrument is called "the best-known and most trusted personality assessment tool available today" by its publisher, CPP (formerly Consulting Psychologists Press). CPP further calls the MBTI tool "the world’s most widely used personality assessment", with as many as two million assessments administered annually.