Nursing Research Week 8 Part 1

Infer or address objectives, questions, and hypotheses

Allows researchers to test hypotheses about a population using data obtained from probability and nonprobability samples

The purpose of inferential statistics is to identify (blank), examine (blank), and determine (blank) differences in study

What are the two types of inferential statistic tests:

Based on the assumption that data are normally distributed

• Parametric tests

• Nonparametric tests

Used when data are not normally distributed

• Parametric tests

• Nonparametric tests

The conditional prior probability that the researcher will decide correctly to reject the null hypothesis when it is actually false

A standard value of power of (blank) or (blank)% is used to conduct power analyses in studies to determine sample size before the study begins

When power is increased:

• Type II error is increased

• Type II error is decreased

Occurs when the researcher regards the null hypothesis as true but it is false

• Type I error

• Type II error