Health Care > MILESTONE > HLT362 Week 3 Quiz.docx practice exam questions with answers 2021 solution (All)
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 sampl... e 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 Convenience sampling Scenario Based Question: If you were conducting a study of blood pressure readings in a hospital unit, compared AM and PM readings, and assumed the data were normally distributed and variances were equal, what type of statistical test would be conducted? ok Separate variance t-test Paired t-test Pooled variance t-test F-test Which of the following can be reduced by proper interviewer training? ok Neither sampling error nor measurement error Sampling error Both sampling error and measurement error Measurement error Which of the following would be an appropriate null hypothesis? ok The mean of a sample is equal to 65. The mean of a population is greater than 65. The mean of a population is equal to 65. The mean of the sample is greater than 65. In a research study, if the sample size is too low and the results do not find a statistical difference when in fact there is a difference, this is referred to as: Validity Reliability Type I error Type II error Quantitative research strives for quality and the ability to apply the analysis to a broader population. This is referred to as: ok Validity Normality Generalization Reliability A Type I error is committed when: ok We reject a null hypothesis that is true. We do not reject a null hypothesis that is true. We reject a null hypothesis that is false. We do not reject a null hypothesis that is false. A Type II error is committed when: ok We reject a null hypothesis that is true. We do not reject a null hypothesis that is false. We do not reject a null hypothesis that is true. We reject a null hypothesis that is false. [Show More]
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