The nurse researcher opts to group frequency data using large interval widths in a research study. Which problem may be encountered by using this type of interval widths?
a. Overlap can occur.
b. Patterns can be obscured.
c. Means cannot be determined.
d. Some data may not fit into any category.
ANS: B
Feedback
A Overlap is eliminated by defining the size of the group or interval width so that no score falls into two groups.
B Very large interval widths lead to loss of data information and may obscure patterns in the data.
C Frequency intervals do not generate means.
D Data or a score generated on a variable will fit into one frequency interval defined by the investigator.
You might also like to view...
Music therapy is aimed at
A) decreasing stress and anxiety. B) increasing strength and endurance. C) increasing appetite. D) increasing blood pressure.
A patient is infected by invasive aspergillosis,
and the medical history reveals that the patient has not been able to tolerate several antifungal drugs. The nurse anticipates an order for which medication to treat this infection? a. Fluconazole (Diflucan) b. Micafungin (Mycamine) c. Caspofungin (Cancidas) d. Nystatin (Mycostatin)
A nurse working in a hospital setting is accused of malpractice. Which statement accurately represents a legal element of this type of negligence?
A) Malpractice is present only if a breach of duty was the cause of the harm. B) When the harm is not clear and needs to be proved in court, the legal term res ipsa loquitur is used. C) Breach of duty is clearly defined as the expression of malicious intent. D) A breach of duty is a failure to act as a prudent professional according to standards of care designated by the federal government.
A patient with a regular heart beat will have the movement of _________________ and ______________ ions into a myocardial cell and the movement of _________________ ions out of the cell
Fill in the blank(s) with correct word