The Nurse Researcher Is Attempting to Formulate the Basis for Eligibility

question 4

Multiple Choice

The nurse researcher is attempting to formulate the basis for eligibility criteria in sample selection.Which statement will be most accurate?

• A) A sample of 1,000 practicing nurses in a selected state was surveyed.
• B) The sample consisted of 267 white girls and 258 Hispanic girls who lived in urban areas in their respective countries.
• C) The sample consisted of 40 men between the ages of 20 and 55 who were treated for burn injuries during the past decade at a specialized burn unit.
• D) The sample consisted of 57 hospital nurse executives and 178 staff registered nurses employed in a Midwestern state.

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Definitions:

Inferential Statistics

A branch of statistics that allows one to make predictions or inferences about a population based on a sample of data.

Statistically Significant

Refers to a result in data analysis that is not likely to occur by chance alone, indicating a genuine effect or difference in a study.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Correlation Coefficient

A numerical measure that indicates the extent and direction of the relationship between two variables, ranging from -1 to 1.