Trait-factorists make more use of actuarial measures than practitioners of other
approaches because of their emphasis on problem solving. Objective and verified
data allow the client greater understanding and exploration of problems
Data may be
collected by means of six analytic tools: (1) the cumulative record, case, or
personnel file, (2) the interview; (3) the time distribution form, (4) the
autobiography, (5) anecdotal records, and (6) psychological tests (