Which of the Following Is True About Direct Observation of Client

Multiple Choice

Which of the following is true about direct observation of client behaviour:

A) Observational coding systems developed in research settings have become increasingly used in clinical practice.
B) It can add important information that is not easily obtained in self-report data.
C) It is unreliable as clients always behave better than usual when they know they are being observed.
D) It is useful in the confirmation of clinical hypotheses.