A nurse researcher is seeking studies whose outcomes are described with a measure of precision about the studies' results.Which statistical descriptions would the researcher seek? (Select all that apply.)
A) The t test
B) Correlation
C) Standard deviation
D) CI
E) Mean

Question

Quizplus · Accepted Answer

Correct C: Standard deviation describes how scores vary on average and are a component of assessing precision.
Correct D: Confidence interval is a range of values,accompanying measures of central tendency and association,giving a measure of precision about findings.
Incorrect A: The t test examines differences between mean scores in two groups and does not address precision.
Incorrect B: Correlation describes strength of relationships but not precision.
Incorrect E: Mean is the average of scores in a sample and does not address precision or uncertainty of findings.

A Nurse Researcher Is Seeking Studies Whose Outcomes Are Described