The researcher asks another nurse to use a study instrument to score a questionnaire completed by study participants. The researcher has previously used the instrument to score the questionnaire and will compare the two results. Which type of reliability is this researcher trying to establish? 1. Internal consistency. 2. Stability. 3. Homogeneity. 4. Equivalence. Correct Answer: 4 Rationale 1: Internal consistency measures the extent to which all items on an instrument measure the same variable. Rationale 2: Stability measures the consistency of a measurement over time. Rationale 3: Homogeneity measures the degree to which sub-parts of an instrument are consistent. Rationale 4: This scenario describes interrater or interobserver reliability. Equivalence reliability is established by the comparison of two observers measuring the same event for equivalence. Global Rationale: Cognitive Level: Applying Client Need: Client Need Sub: Nursing/Integrated Concepts: Learning Outcome: LO 08. Compare and contrast three types of reliability. Question 2 Type: MCSA A researcher is developing a data collection instrument to measure nurses’ attitudes about their working conditions. A draft copy of the instrument is sent to 20 nurse clinicians to critique and provide feedback. What is the researcher attempting to establish by using this strategy?
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