According to the Text, Scientific Human Service Practice Should Have

According to the text, scientific human service practice should have all of the following EXCEPT:

A) it should stress problem assessment through direct observation of client problems.
B) practice procedures should be well organized, clearly specified, public and repeatable.
C) practice models and techniques should be viewed as fair game for criticism and possible refutation.
D) practice approaches should be based on the practitioner's intuitive, common sense assessment of the suitability of techniques.