What is the purpose of inferential statistics?
a. To make inferences about populations based on samples
b. To make inferences about samples based on populations
c. To make inferences about individuals based on samples
d. To make inferences about individuals based on populations
Ans: A
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Pruning refers to the elimination of __________.
A. heavily used synapses B. synapses that are not used C. damaged neurons D. every dendrite
Even though more than 2.3 percent of people have IQs below the 70 cutoff, only about 1 percent of the population has an intellectual disability. The prevalence of intellectual disability is lower than the prevalence of low IQs because
a. IQ tests are not reliable. b. most forms of intellectual disability have biological causes. c. many adults with low IQs have adequate adaptive skills. d. only people younger than age 18 can be diagnosed with intellectual disability.
When damage prevents the amygdala from sending emotional information to the prefrontal cortex, what happens to people's decisions? a. They ignore the sadness or guilt that a decision might provoke
b. They make most of their decisions based on basic needs of hunger and thirst. c. They make most of their decisions based on higher needs such as self-actualization. d. They overemphasize the value of later rewards, and undervalue immediate rewards.
Consider this: A tired, listless brain walks into a restaurant and looks on the menu for something that could provide fuel for it. What "entree" does the brain order?
A. Hormone deluxe B. Glucose platter C. Calorie soup D. Neurotransmitter buffet