__________ neurotransmitters make it more likely that a neuron will fire a message, whereas __________ neurotransmitters make it less likely that a neuron will send its message.
A. Excitatory; inhibitory
B. Inhibitory; excitatory
C. Augmentation; depletion
D. Depletion; augmentation
Answer: A
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The textbook suggests that which of the following is a potential advantage of a projective test?
a. Some people feel less comfortable talking with someone than they do completing a lengthy questionnaire such as the MMPI. b. The results of projective tests are subject to interpretation and bias. c. While there are problems with both the reliability and validity of projective tests, they are still slightly better on both of these measures than tests such as the MMPI. d. If a person's relationships with others have some unconscious cognitive or emotional component, this information may be obtained in a way that is not possible through direct interviewing methods or observational studies.
Which of the following refers to a range of tasks that a child can carry out with the help of someone who is more skilled?
A. scaffolding B. ethology C. zone of proximal development D. zone of natural development
Addictive drugs do all of the following EXCEPT
a. cause the neurotransmitter acetylcholine to be released, resulting in intensified feelings of fear and paranoia. b. fool brain-reward pathways creating a compulsion to repeat the drug experience. c. stimulate a brain region called the nucleus accumbens. d. physically change the brain's reward circuitry, making it harder for the person to overcome his or her addiction.
The ______ is a measure of how much of the variability in one measure is explained by the value of the other measure.
A. R2 B. Pearson r C. correlational D. sum of products