Rich's first psychology exam score is +1 standard deviation from the mean in a normal distribution. The test has a mean of 60 and a standard deviation of 6 . Rich's percentile rank would be approximately:
a. 70%.
b. 84%.
c. 66%.
d. Cannot say from the information given.
b
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Which of the following is considered a risk factor for reoffending among sex offenders?
a. dispossession factors b. socioeconomic factors c. criminogenic factors d. medical factors
Intensity of a stimulus, such as the intensity of noise that a person experiences, can be communicated through ______.
A. the size of an action potential B. the length of the axon an action potential travels along C. the number of neurons that fire action potentials D. the speed at which the action potential occurs
A PET scan records the amount of which radioactive substance used by brain cells?
a. potassium b. iodine c. glucose d. sodium
The view that in the study of human development a person should be considered in all contexts and interactions that make up life is:
the life-span perspective. epigenetic theory. the ecological-systems approach. the dynamic-systems theory.