A. QSEN provides a framework for knowledge, skills, and attitudes related to quality and safety but is not a direct decision-making process.
The scope and standards of practice outline professional roles and responsibilities but do not specify the best clinical interventions.
Evidence-based practice (EBP) integrates the best current evidence with clinical expertise and patient preferences to guide clinical decisions and improve outcomes.
The Nurse Practice Act (NPA) defines legal boundaries of practice but does not guide specific clinical decisions.
The Correct Answer is D
A. This question has one dependent variable—maternal confidence in caregiving abilities.
B. This study looks at a single dependent variable—smoking behavior among pregnant adolescents.
C. The dependent variable is client anxiety, making it a single outcome measure.
D. This hypothesis includes two dependent variables: IQ scores and mathematical ability, both used to measure the effects of classical music exposure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Experimental studies typically require a fixed sample size determined before the study begins to ensure control and statistical power.
B. Qualitative studies often use flexible and evolving sampling methods, such as theoretical or purposive sampling, and may add participants during the study until data saturation is reached, making this the most likely design.
C. Quasi-experimental designs, like experimental ones, generally require a set sample size to compare groups reliably.
D. Quantitative studies prioritize predetermined sample sizes to ensure statistical validity and reliability, making it less likely that subjects would be added after data collection begins.
Correct Answer is A
Explanation
A. Gathering detailed data is the first essential step to identify where, when, and why errors occur, allowing targeted interventions.
B. Talking with nurses is helpful but should follow data collection to guide focused discussions.
C. Education is important but should be based on identified needs from the data.
D. Purchasing technology like bar code scanners can be effective but should be considered after understanding the problem through data.
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