Placebo Effect Flashcards
(5 cards)
Cognitive dissonance theory
Taking patient expectations out of it
Explain homeopathics
Invested time and money pain and inconvenience so will get better
Expectancy theory
From patients previous experience taking successful treatment.
Expect to get better
Palcebo effect
Direction of effect same as the intended drug
Stength of placebo effect same as intended drug
Reported side effects of the two often similar
Time needed for the two to be active often similar
Interactive theories of placebo effect
Experimenter bias (dr expects me to get better) Patient expectations (i expect to) Reporting error (i will please dr so be inaccurate in reporting) Conditioning effects (associate dr with getting better) Anxiety reduction (in control of pain - close gate) Physiological theory (release edorphins to trigger pain releif)
Non interactive theories
Characteristics of patient (3emotional dependanct, impressionable)
Characteristic of health prof (if higher up then better p e)
Characteristics of treatment (serious treatment then better p e)