Read the following statements carefully and give an appropriate response:
(i) The ability to answer general information and comprehension questions shows the most rapid decline during aging.
(ii) The WAIS-R is a group intelligence test.
(iii) Establishing norms and uniform procedures for administering a test are elements of standardization.
(iv) Scores on modern intelligence tests are based on one's deviation IQ (relative s standing among test takers) rather than on the ratio between mental age and chronological age.