HLT362 Week 3 Quiz.docx practice exam questions with answers 2021 solution

If you are conducting a study on the impacts of diet and exercise on high blood pressure and you take a

proportional sample based upon race/ethnicity, this would be an example of: ok

 Simple random sample

 Cluster sampling

 Stratified sampling

 Convenience sampling

• If a researcher does not select the appropriate level of significance (alpha) based upon prior

research or industry standard and concludes that the study found a statistical difference when in

fact there was no difference, this is referred to as: ok

 Validity

 Reliability

 Type I error

 Type II error

• To obtain a sample of 20 patients in ICU, clinician goes to the ICU and selects the current

patients. This is an example of a: ok

 Judgement sampling

 Simple random sampling

 Snowball sampling