1. For each scenario, analyze the validity and reliability (determine if it is high or low). Explain the rationale for each response. Scenarios: A researcher asks a participant to take an existing alcoholic survey twice. The first time, the participant receives a result of “Alcoholic”; the second time, the participant receives a result of “Non-alcoholic.” A thermometer always gives a temperature value that is 0.5 degrees higher than it is supposed to be. An X-ray machine gives a picture that a radiologist is always able to analyze effectively. A placebo medication given to randomly assigned participants sometimes gives participants a stomach virus. A patient’s treatment plan is missing from the electronic medical record. A medical assistant asks patients about diet and exercise regimens, both of which help the physician make informed treatment plans. Two root-cause analyses of a hospital readmission problem are performed. One analysis determines that patients’ access to care is the issue; the other analysis determines that discharge instructions need to be clearer. A statistical analysis of patient wait time indicates an incorrect mean the majority of the time
1. For each scenario, analyze the validity and reliability (determine if it is high or low). Explain the rationale for each response.
Scenarios:
A researcher asks a participant to take an existing alcoholic survey twice. The first time, the participant receives a result of “Alcoholic”; the second time, the participant receives a result of “Non-alcoholic.”
A thermometer always gives a temperature value that is 0.5 degrees higher than it is supposed to be.
An X-ray machine gives a picture that a radiologist is always able to analyze effectively.
A placebo medication given to randomly assigned participants sometimes gives participants a stomach virus.
A patient’s treatment plan is missing from the electronic medical record.
A medical assistant asks patients about diet and exercise regimens, both of which help the physician make informed treatment plans.
Two root-cause analyses of a hospital readmission problem are performed. One analysis determines that patients’ access to care is the issue; the other analysis determines that discharge instructions need to be clearer.
A statistical analysis of patient wait time indicates an incorrect mean the majority of the time
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