Observer bias occurs when
A) a person's knowledge could influence the outcome of research.
B) a method does not answer questions the researcher is interested in.
C) the researcher creates a suitable situation and observes behavior in it.
D) a person creates a detailed description of his or her observations.
A) a person's knowledge could influence the outcome of research. When observers in a study know the goals of the research, their notes and observations may be influenced by that knowledge.
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Unlike olfactory receptors, each taste receptor has no
A) cytoplasm. B) axon. C) nucleus. D) receptors. E) ion channels.
Unlike friendship, romantic love usually involves
a. an unbalanced social exchange. b. lowered emotional arousal. c. contrasting needs. d. mutual absorption.