The criterion-related validity of a test is affected by
A) the length of the test. B) criterion contamination.
C) moderator variables. D) all of the above.
D
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What evidence argues against the idea that practicing music improves hearing? a. Highly practiced musicians have no better hearing than other people, on average. b. The ability to hear well is known to depend entirely on a single gene
c. Twins are similar in hearing, even if only one practiced music. d. Repetitive exposure to music is known to damage a person's hearing.
Which of the following students provides the most accurate information about bilingual people and monolingual people?
a. Molly: "On every cognitive skill that has been measured so far, bilingual people consistently score higher than monolingual people." b. Liam: "On every metalinguistic task that has been tested so far, bilingual people consistently score higher than monolingual people." c. Ross: " Bilingual people are more likely than monolingual people to develop dementia at a young age." d. Amelie: "Bilingual people are more likely to notice some pragmatic components of a language task."
Consider the following conditional syllogism: Premise 1: If I study, then I'll get a good grade. Premise 2: I got a good grade. Conclusion: Therefore, I studied. This syllogism is
a. valid. b. skewed. c. invalid. d. robust.
One biological explanation for the symptoms of schizophrenia is the appearance of enlarged _____, which are fluid-filled structures that cushion and protect the brain
A) atria B) meninges C) vesicles D) ventricles