Dr. Manquero forms the hypothesis that ingesting chocolate prior to an exam will improve exam performance. She gives half of her participants chocolate and the other half gum. She then gives the participants an exam. In this experiment, what is the best way to divide the participants into groups?

a. Make sure that each group wants to eat the chocolate or chew the gum.
b. How the groups are formed doesn't matter.
c. Have all males in one group and all females in the other.
d. Use random assignment.


D

Psychology

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In most non-Western developing cultures, ____ is the most important determinant of adult status

a. completing college b. marriage c. getting a job d. having a child

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Which of the following is NOT related to the M'Naghten ruling made by an English court more than 150 years ago? a. It concerns a person's mental state at the time a crime is committed

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Psychology

You observe the lady standing next to you at the bus stop. Based on her body language and facial expression, you assume she is upset about something. Identify the limbic structure that is MOST likely to have helped you assess her emotional state.

A) the amygdala B) the hippocampus C) the nucleus accumbens D) the thalamus

Psychology

Emma has been asleep for nearly two hours, and she is shifting from a period of vivid dreaming to a stage of dreams with less imagery. Which portion of the brain initiated this switch in her sleep cycle?

A. PGO wave B. basal forebrain C. lateral hypothalamus D. sublaterodorsal nucleus of pons

Psychology