The sum of the deviations around the mean always equals
a. 1 c. the sum of the total scores.
b. the mean. d. 0
D
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Nerves outside the skull and spine comprise the
a. peripheral nervous system. b. vascular nervous system. c. vagus nervous system. d. skeletal nervous system.
According to the gate control theory of pain, the ________ of the spinal cord act as a "gate" and may open and transmit sensations of pain if the stimulation is sufficiently intense
a. dorsal horns b. somatic nerves c. coxal terminus d. epidural blocks
In the early years of middle childhood, friendships are based on proximity.
Answer the following statement true (T) or false (F)
Perception refers to
a. detecting stimuli and sending messages to the brain. b. the study of vision and hearing. c. meaningfully interpreting sensory input. d. the infant's visual thinking, with "mental pictures.".