What is the consequence of a Type I error?
A) ?Concluding that a treatment has an effect when it really does
B) ?Concluding that a treatment has no effect when it really has no effect
C) ?Concluding that a treatment has no effect when it really does
D) ?Concluding that a treatment has an effect when it really has no effect
D
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The heritability of adult intelligence as measured by IQ tests is usually reported to be about .75, which means that ____
a. ?75% of an individual’s intelligence is due to his or her genes b. ?75% of an individual’s genes are involved in intelligence c. ?75% of a population’s genes, on average, are involved in intelligence in individual members of the population d. ?75% of the variance in intelligence observed in the population can be attributed to genetics
Wundt believed that scientific psychology should focus on analyzing:
A) decision making. B) observable behaviour. C) consciousness. D) brain functioning.
Research on extraversion introversion has found
A. consistent evidence for a genetic component to extraversion introversion. B. some evidence for a genetic component to extraversion introversion, but a significant amount of research that disputes this. C. almost no evidence for a genetic component to extraversion introversion. D. consistent evidence arguing against a genetic component to extraversion introversion.
In a/an , the experimenter measures scores on two variables. In a/an , the experimenter manipulates or changes one variable and measures scores on the other
a. correlational study; research design b. research design; experiment c. correlational study; experiment d. experiment; correlational study