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
Correct Answer:
Verified
Correct Answer:
Verified
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