Adolescents are more at risk for STIs than older age groups because they are more likely to engage in unsafe sex. The variable correlating most strongly with unsafe sex is _____
a. the age at which sexual activity begins
b. the use of condoms
c. whether teens engage in oral sex
d. poor progress in school
Answer: A
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Persons who are either euphoric and hyperactive or severely depressed may be suffering from
a. mood disorders. b. dissociative disorders. c. anxiety disorders. d. insanity.
A researcher wants to conduct an experiment that uses a 2 X 3 X 3 design and requires ten participants in each cell. ____ participants would be needed for a between-subjects design but only ____ would be needed if a within-subjects design is used
a. Eight, five b. Eighteen, ten c. Eight, three d. Twenty-four, eight
The cognitive gains needed for such tasks as balancing a scale with weights by trial and error are usually acquired during adolescence
Indicate whether this statement is true or false.
Which of the following is NOT true regarding a synapse?
a. A synapse is bordered by an axon terminal from the transmitting neuron. b. A synapse is bordered by a dendrite. c. The neural impulse jumps across the synapse. d. The synaptic cleft is the fluid-filled gap between an axon terminal and a dendrite.