Luke, a researcher, develops a psychological test to assess impulsiveness among adults and publishes it online. After a month, he publishes an article in which he presents evidence that college students tend to get essentially the same score if they take the test twice, two months apart. However, when Bianca, Luke's guide, looks at the questions included in the test, she thinks that they relate to a person's sociability rather than his or her impulsiveness. In this scenario, Bianca is specifically doubtful of the ________ of Luke's test.
A. validity
B. measurability
C. reliability
D. objectivity
Answer: A
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A. Edwin Morehouse B. Jean Piaget C. Frank Baum D. Lev Vygotsky
Normal age changes in the brain and occasional lapses in memory ____
a. are common in healthy adults b. are uncommon in healthy adults c. warrant a minor neurocognitive disorder diagnosis d. produce insignificant changes
Sleep studies suggest that around 28% of Americans
A) get more than 6 hours of sleep a night. B) report feeling excessively sleepy during the day. C) have insomnia. D) need less than 5 hours of sleep a night.
The two sub-factors that make a source credible are
a. likability and trustworthiness. b. expertise and likability. c. expertise and trustworthiness. d. physical attractiveness and trustworthiness.