KEISER NUR4166 Week 3 Quiz Latest 2018
Which of the following statements is true regarding credibility of quantitative research studies?
The results of statistical testing have direct meaning.
Evaluating the credibility of a study typically involves a careful assessment of methodologic decisions.
Support of a researcher's hypothesis through statistical testing offers proof of its veracity.
A correlation between two variables indicates that the independent variable caused the dependent variable.
A parameter is a characteristic of which of the following?
A survey question asks subjects to respond to the following statement: “The overall hospital experience that I received during my hospital stay considered my needs as an individual.” They were asked to identify, on a five-point scale, the degree to which they agreed or disagreed with the statement. This is an example of which type of scale?
Visual analog scale
Which of the following is an example of a nominal measurement?
Age in years
Grams of carbohydrate intake
Emotional intelligence quotients
Hand dominance (right or left)
The purpose of evaluating the evidence that emanates from research articles is to do which of the following?
Maintain licensure as a professional nurse
Implement protocols already established in one's clinical area
Improve one's clinical assessment skills
Decide whether recommendations might be implemented
Statistically significant means which of the following?
The study findings are important.
The study results are meaningful.
It is unlikely that the results are due to chance.
The hypothesis has been proven.
Sampling may be defined as which of the following?
Selection of an accessible population for a study
Selection of a subset of a population to represent the entire population
Assignment of study participants to treatment groups
Technique for ensuring that every element in the population has an equal chance of being included in the study
Information about the precision of results typically is communication in the form of which of the following?
Effect size estimates
_________________ is defined as the level of measurement that classifies and ranks people in terms of the degree to which they possess the attribute of interest.
Blood type is measured on which of the following scale?
Which of the following is an example of an ordinal measurement?
Gender (male or female)
Milligrams of a medication dosage
Levels of education (associate's degree, bachelor's degree, master's degree)
Score on the HESI preadmission or first year examination for nursing
Which of the following is an example of ratio measurement?
Likert scale response to questions
Twenty-four-hour oral cc intake
Eye color (blue, brown, hazel, green)
Ability to perform activities of daily living
Which correlation coefficient shows the strongest relationship between two variables?
Which of the following types of sampling is considered to be the weakest for quantitative studies?
A researcher must select a sample that is representative of the population. Which of the following venues would be most practical for recruitment of patients with primary hypertension?
High school clinic
Primary care clinic
Acute care hospital
When a researcher makes a Type II error (concludes that no relationship between the independent and dependent variable exists when in fact it does), this could occur because of which of the following? Select all that apply. Select all that apply
An anomalous sample
Unreliable data collection instruments
Problems with adequately implementing the intervention
A large sample size
The Results section of a research article summarizes results of which of the following?
Interpretation of study findings
A nurse is investigating the rate of immunization at a community-based clinic. Selection bias is most likely to be present in which of the following samples?
Random sample of clients accessing an urgent care clinic
Random sample of records of school clinic vaccination rates
Convenience sample of mothers who bring children to clinic for vaccinations
Convenience sample of high school students who have received required vaccinations
Which of the following is an example of a probability sampling method?
A nurse researcher conducted a study examining the effectiveness of an exercise intervention with overweight adults. There were 250 adults recruited from a primary care clinic. Only 82 subjects completed the study. The 82 subjects represent what type of sample?
The target population
The accessible population
The recruited sample
The actual sample