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NURSING DL-F quiz 8 nursing research

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Question 2 What would a scatter plot look like for a perfect positive relationship? Selected Answer: D. A diagonal line from lower left to upper right Answers: A. A straight horizontal line near... the mean of variable 2 B. A diagonal line from upper left to lower right C. A straight vertical line near the mean of variable 1 D. A diagonal line from lower left to upper right Question 3 Which tool is not used to facilitate interpretations of scale scores? Selected Answer: B. Weighted scores Answers: A. Norms B. Weighted scores C. Standard scores D. Percentiles Question 4 Which statement about measurement levels is true? Selected Answer: C. Moving from a higher level of measurement to a lower one results in information loss. Answers: A. Ordinal-level measurement is at the bottom of the measurement hierarchy. B. Interval-level measurement is at the pinnacle of the measurement hierarchy. C. Moving from a higher level of measurement to a lower one results in information loss. D. The most difficult measurement levels to distinguish are nominal and ordinal. Question 5 Which statement about scales is true? Selected Answer: A. Scales developed using item response theory (IRT) are formative. Answers: A. Scales developed using item response theory (IRT) are formative. B. Classical test theory scales are developed by assessing the difficulty of all items. [Show More]

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