Research has shown that patients' expectations of treatment effectiveness are affected by what a treatment provider is wearing. A white lab coat tends to increase their expectation of effectiveness. Sandra, a research assistant, had no preconceived ideas about her research project, but by chance she wore a white lab coat when working with experimental Group 1, but jeans and a t-shirt when working with experimental Group 2. This created a confounding variable. This confounding variable was a _____
a) selection bias.
b) experimenter bias.
c) placebo effect.
d) random effect.
Answer: c
Psychology
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Which of the following psychologists would be most likely to
argue that free will is something that does not truly exist, and that we are simply unaware of the environmental influences that affect our behaviors at any given moment? A) B. F. Skinner B) Sigmund Freud C) Wilhelm Wundt D) Mihaly Csikszentmihalyi
Psychology
If you examined a stack of death certificates of White people age 85 and older who died of suicide and find that 100 of these belong to women, you would guess that the number of men's records in this stack would number about:
a. 100 b. 200 c. 400 d. 1,000
Psychology