The advantage of a cohort-sequential design is that it
a. ignores the effects of changes due to age.
b. requires significantly fewer participants.
c. identifies factors that are common among participants.
d. allows the researcher to separate the cohort effects from age effects.
d
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Nicola is 18 years old and engages in many risky behaviors. For example, she drives very fast and recklessly, and does not use any protection when having sex. If Nicola is a typical adolescent, these behaviors will ____ when she gets older
a. significantly increase in frequency b. slightly increase in frequency c. remain at the same frequency level d. decrease in frequency
The two functions of emotion are:
A) instinctive and hedonic. B) informative and motivational. C) instinctive and informative. D) hedonic and motivational.
Both sodium and potassium ions:
a. carry a negative charge b. carry a positive charge c. are concentrated outside the neuron's cell body d. are concentrated inside the neuron's cell body
Which of the following methods in biological psychology involves measuring the brain's activity through levels of oxygen in the blood?
A. Electroencephalogram (EEG) B. Positron emission tomography (PET) C. Functional magnetic resonance imaging (fMRI) D. Magnetoencephalography (MEG)