Studies in which the participants are unaware that the researcher is observing their behavior utilize _____ observation

Poverty of speech, blunted and flat affect, loss of volition, and social withdrawal, are all examples of ______ symptoms of schizophrenia.

A) positive B) negative C) hallucinatory D) psychomotor

Brian is interested in conducting a job analysis in order to compare different jobs with respect to their reliance on incumbents' talents and abilities. Brian should:

A) use task-oriented techniques. B) use worker-oriented techniques. C) use occupational requirement techniques. D) conduct a Functional Job Analysis.