18 Questions
What is the most appropriate research design to determine the impact of tobacco and alcohol use on the length of hospital stay of orthopedic surgical patients?
Correlational
Which research design is suitable for studying the effect of a video teaching program on weight loss?
Equivalent groups post-test only design
What is the most effective research design to compare the effectiveness of two treatments in reducing local hematoma following femoral angiography?
Experimental
How would establishing the reliability of a research design impact the study?
Mean that your study is reproducible
What is the most appropriate method to study wound healing characteristics?
Pure observation
Which of the following is an advantage of a stratified random sample?
It has the same proportion of important characteristics which exist in the population
What method is most likely to result in the best response rates to questionnaires?
Making personal contact with participants
What is the purpose of backing up a research database?
Identifying procedural problems
What is the main purpose of conducting pilot studies?
Estimating data collection time per participant
When using descriptive statistics, what is their main function?
All of the above
Which of the following is an example of ordinal data?
$2 - NURSING RESEARCH (PRE, POST)$
What is a characteristic of ratio level data?
Measurable to any number of decimal points
What is the purpose of size calculation prior to commencing a research study?
To make sure your study finds an effect if one is there to be found
Where is the most precise level of measurement found?
Continuous analysis
What is the purpose of using questionnaire scales?
Both A and B
Why is triangulation used in research studies?
To confirm data and ensure their completeness
What should a researcher do to maximize the order of measurements in a study?
Choose the highest scale of measurement possible
At what point can data collection commence in a research study?
All of the above
Test your knowledge on research study size calculation and measurement levels with this quiz. Questions cover topics such as the purpose of size calculation, levels of measurement, and questionnaire scales.
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