In the context of the field of psychology, which of the following statements is true of the contribution of Wilhelm Wundt?
A. He evaluated the effects of social forces on one's behavior.
B. He proved that psychology can be a true science only if it examines observable behavior.
C. He gave psychology its independence from philosophy and physiology.
D. He conducted some of the earliest research in perception and laid the groundwork for psychophysics.
Answer: C
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Somatic symptoms appear to be related to
a. free will, low motivation, and craving for attention. b. delusions, older age, and vivid imagination. c. impulsivity, overreaction, and lower IQ. d. being female, lower education, and physical disability.
Which part of the forebrain is basically a "crossroads" that connects many areas of the brain and is the last place where many behaviors are organized or "decided on" before these messages leave the brain and cause the body to react?
a. amygdala b. pons c. hypothalamus d. hippocampus
In pain clinics, mild electric currents are applied to the skin or directly to the spinal cord. This procedure sends mild pain messages to the spinal cord and brain, which effectively close the neurological gates to reduce the patient's more agonizing pain. This technique is an application of the __________ theory
a. sensory conflict b. lock and key c. gate control d. sensory adaptation.
In probability sampling:
a. every individual in the population has an equal probability of being included in the sample. b. the predetermined probability of any individual being selected to participate in the survey is known. c. all samples are equally probable. d. all groups are proportionally represented.