At a card players' club, the poker players had a contest with the blackjack players to see who could win the most money. The appropriate design for testing the significance of the difference between the means is
a. related-samples t-test.
b. independent-samples t-test.
c. one-sample t-test.
d. z-test.
b
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Individuals who do not surrender their culture in order to assimilate into the dominant culture
a. experience greater discrimination. b. have lower levels of self-esteem. c. have relatively higher levels of self-esteem. d. have higher rates of depression.
In a study comparing hoarders with both OCD patients and healthy controls, researchers found increased activity in the ACC among which group after they threw away a number of personal possessions?
A. both the OCD patients and hoarders B. the healthy controls C. the OCD patients D. the hoarders
According to Piaget, the moral reasoning of children ages 6 to 10 emphasizes
A. religious teachings. B. intentions. C. parental beliefs. D. outcomes.
Which of the following disorders is characterized by a limited vocabulary, difficulty in learning new words, difficulty in retrieving words, and poor grammar?
A. Childhood onset fluency disorder B. Speech sound disorder C. Social communication disorder D. Language disorder