An observer bias is
a. an "educated guess" about what will happen.
b. the direct result of the context of discovery.
c. the direct result of the context of justification.
d. an error due to personal motives and expectations.
Answer: d. an error due to personal motives and expectations.
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Two-month-old Timothy was presented with a picture of a rectangle until he showed habituation of attention. When the rectangle was rotated, the habituation continued. When the shape was changed to a square, however, Timothy showed recovery from habituation. These observations suggest that
a. Timothy appears to perceive the individual sides of the objects. b. Timothy cannot discriminate between different objects. c. Timothy's reliance on kinetic cues has matured. d. Timothy appears to perceive the two objects as different from each other.
A hospital patient was diagnosed as suffering from schizophrenia because she was having both delusions and hallucinations. What type of symptoms are these?
a. atypical b. positive c. negative d. primary
If sample variance is computed by dividing SS by n, then the average value of the sample variances from all the possible random samples will be ____ the population variance
A) ?smaller than B) ?larger than C) ?exactly equal to D) ?unrelated to
Research with transcranial direct current stimulation suggests that the _______________ is involved in lucid dreaming
a. prefrontal cortex b. occipital cortex c. hippocampus d. medulla oblongata e. anterior cingulate cortex