Data, persons, things are categories that are used in this classification system:
a. Dictionary of Occupational Titles
b. Guide for Occupational Exploration
c. Holland's system
d. ONET
Question 2
Since its inception, the Diagnostic Statistical Manual(s)created by the American Psychiatric Association has catalogued hundreds of psychiatric symptoms for disorders,but it only began including a single and coherent classification of strengths in:
a. 1980.
b. 1998.
c. 2004.
d. 2012.