Objective: Analyze validity and reliability. 1. For each scenario analyze the validity and reliability (determine if it is high or low). Explain your rationale for each response. Scenarios: 1.a: 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.” 1.b: A thermometer always gives a temperature value that is 0.5 degrees higher than it is supposed to be. 1.c: An X-ray machine gives a picture that a radiologist is always able to analyze effectively. 1.d: A placebo medication given to randomly assigned participants sometimes gives participants a stomach virus. 1.e: A patient’s treatment plan is missing from the electronic medical record. 1.f: 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

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Objective: Analyze validity and reliability. 1. For each scenario analyze the validity and reliability (determine if it is high or low). Explain your rationale for each response. Scenarios: 1.a: 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.” 1.b: A thermometer always gives a temperature value that is 0.5 degrees higher than it is supposed to be. 1.c: An X-ray machine gives a picture that a radiologist is always able to analyze effectively. 1.d: A placebo medication given to randomly assigned participants sometimes gives participants a stomach virus. 1.e: A patient’s treatment plan is missing from the electronic medical record. 1.f: 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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