A researcher conducts a study, but has low power to detect an effect. Which of the following is one way in which the research can increase power?

A. make the alpha level smaller
B. increase the sample size
C. study a population with a larger standard deviation
D. conduct the study again with the same sample size


Ans: B

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The title of this chapter is “Planning for the Future.” Justify its inclusion in a book on school-age child care

What will be an ideal response?

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Discuss the opposing views of Alexander Graham Bell and Thomas Gallaudet with regard to instruction and communication of individuals with significant hearing loss.

What will be an ideal response?

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Early behaviorists argued that because thinking cannot be observed, it cannot be studied objectively and scientifically. How would a cognitive psychologist be most likely to respond to this argument?

a. "Modern technology allows us to study thought processes very precisely." b. "By studying people's responses to various stimuli, we can draw inferences about thought processes that may underlie those responses." c. "We study mental events, which aren't the same thing as thinking." d. "We can determine what people are thinking simply by asking them to describe their thoughts. The things they say are observable behaviors that we can measure objectively."

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Correlational designs have benefited from what quantitative developments in the history of research?

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