In a Study Investigating Type 2 Diabetic Patients' Ability to Make

question 25

Multiple Choice

In a study investigating type 2 diabetic patients' ability to make lifestyle changes,the researcher randomly selects a sample from a list of all patients diagnosed with type 2 diabetes in the United States.The researcher also selects the sample by randomly selecting patients diagnosed for 3 years or longer and those who are newly diagnosed.What sampling technique is used in this study?

• A) Cluster
• B) Quota
• C) Stratified random
• D) Systematic

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Definitions:

Obtained Value

The score or number that results from a specific measurement or calculation.

Critical Value

A threshold in a hypothesis test that determines the boundary for rejecting the null hypothesis.

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected, meaning a true effect or difference is missed.

Type I Error

The incorrect rejection of a true null hypothesis, often referred to as a "false positive" finding.