A nurse researcher is seeking studies whose outcomes are described with a measure of precision about the studies' results. The statistical descriptions the researcher will seek include what? (Select all that apply.)
a. The t test
b. Correlation
c. Standard deviation
d. CI
e. Mean
ANS: C, D
Feedback
Correct Standard deviation describes how scores vary on average and are a component of assessing precision.
Confidence interval is a range of values, accompanying measures of central tendency and association, giving a measure of precision about findings.
Incorrect The t test examines differences between mean scores in two groups and does not address precision.
Correlation describes strength of relationships but not precision.
Mean is the average of scores in a sample and does not address precision or uncertainty of findings.
You might also like to view...
During the admission interview, the nurse learns that an older patient frequently experiences constipation. What should the nurse respond to the patient?
A) "I'll make sure that a laxative is ordered for you while you're here in the hospital.". B) "Many older adults find that increasing their activity level and taking a mild laxative daily provides relief.". C) "Constipation is usually a sign of a more serious health problem, so I'll pass that information on to your physician.". D) "There are measures that I can teach you such as changing your diet and increasing the amount of fluids you drink.".
The mother of a 7-year-old child states, "I'm concerned because I can feel a few lumps at the base of his neck.". The nurse notes slightly enlarged, firm, nontender, cervical lymph nodes. The lymph nodes are easily moveable under the skin
Which of the following interventions would be appropriate? 1. Speak with the physician about acquiring a throat culture. 2. Assess the client's temperature. 3. Examine the child's tonsils for tonsillitis. 4. Explain to the mother that this is a normal finding.
An elderly client, with bilateral cataracts, arthritis, and a hearing deficit, is scheduled for cataract surgery. The nurse realizes that which of the following nursing diagnoses will be a priority for this client?
1. Ineffective Coping 2. Disturbed Sensory Perception: Visual 3. Decisional Conflict 4. Ineffective Therapeutic Regime Management
Which action is most appropriate for the nurse to take when a patient with a chronic wound voices the preference of taking herbs to boost immunity rather than prescribed antibiotics?
a. Instruct the patient about the rationale for antibiotic use to treat infection. b. Remind the patient that the infection has not cleared with herbal treatment. c. Tell the patient that research shows that herbs are not effective in treating infection. d. Determine how the patient feels about using antibiotics in addition to herbal products.