John Is Looking at the Findings and Notices That the Study

question 26

Multiple Choice

John is looking at the findings and notices that the study cites the incidence and prevalence of infection in an Emergency Department. The nurse demonstrates his knowledge of this terminology when he states to his peer:

• A) incidence describes the percentage of new cases, and prevalence looks at the proportion of people who have it in the population.
• B) prevalence describes the proportion of people who have new cases of infection, and incidence looks at the proportion of people who have it in the general population.
• C) incidence and prevalence of infection mean that the infection is worsening in the population.
• D) incidence and prevalence of infection mean the same thing.

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Definitions:

Significance Level

A statistic representing the probability of committing a Type I error, typically denoted by alpha (α), indicating how likely it is to find a result as extreme as, or more so, if the null hypothesis is true.

P < .05

A statistical notation indicating that the probability of the observed results occurring by chance is less than 5%.

Effect Size

A quantitative measure of the strength of a phenomenon, often used to determine the practical significance of research findings.

Cohen

Refers to statistical measures developed by Jacob Cohen to quantify the effect size or the strength of an observed phenomenon, such as Cohen's d.