1991PsychologyMedium
The double – blind technique involves:
Aa procedure in which neither patients nor health care staff know whether a given patient is receiving a drug or placebo
Breplacing a positive response to a harmful stimulus with a negative response.
Cthe simultaneous use or two or more therapeutic treatments in the hope that at least one will be effective.
Dblocking anxiety – arousing material from consciousness during therapy.
Correct answer
A. a procedure in which neither patients nor health care staff know whether a given patient is receiving a drug or placebo
Explanation
The correct answer is a procedure in which neither patients nor health care staff know whether a given patient is receiving a drug or placebo.