NURS-5366 Module 3 Quiz with Updated Questions and Answers/100% Correct; PRINC OF RESEARCH IN NURSING

NURS-5366 Module 3 Quiz with Updated Questions and Answers/100% Correct; PRINC OF RESEARCH IN NURSING Score: 100 out of 100 - ANSWER - In a pilot study to help train a group of data collectors who will evaluate children's pain using a FACES rating scale, the researcher examines the reliability of the scores of each data collector. This is an example of which type of reliability measure? - ANSWER -Interrater reliability A researcher evaluates scores of a paper and pencil instrument with variables at the interval level of data using the Cronbach's alpha coefficient statistical procedure. This is a test of: - ANSWER -internal consistency reliability A researcher administers a scale measuring self-confidence and one measuring self-doubt to a group of subjects and performs a correlational analysis of the results. This is a test of validity from: - ANSWER divergent validity A researcher develops a new instrument to measure coping skills and conducts a pilot study to compare the new tool with an existing tool that measures this concept. This is an example of evidence of validity from: - ANSWER -Convergent validity A researcher evaluates whether a tool addresses the major elements of the construct being studied. This helps to ensure: - ANSWER -content validity A researcher studying depression in relation to five predictor variables decides to include five more variables in the study because the literature reveals that they may also be involved in depression. Consequently, the researcher will do which of the following? - ANSWER -Use a larger sample size. "To be considered eligible for the study, subjects had to be older than 21 years of age, hold a valid state driver's license, and be able to fire a shotgun." This is an example of which of the following? - ANSWER Sampling criteria A researcher consented 75 subjects, but 15 dropped out of the study while it was still in progress. What was the sample attrition rate? - ANSWER -20% A researcher attempted to recruit all 150 of the patients seen in the emergency department in a three-month period for diverticulitis, but only 120 consented to participate. What is the sample size? - ANSWER -120 Using a table of random numbers, the sample of 400 subjects was selected from the list of the license numbers of all registered nurses in the state of Michigan. Each nurse was sent a letter requesting completion of an online survey on workplace bullying. This is an example of what type of sampling method? - ANSWER -Simple random sampling Why are convenience samples used so frequently in nursing research, when a random sample would allow for greater generalizability? -