EBP QUIZ Practice Exam Guide 100% Verified Answers.

Sampling bias or the error resulting from taking a non-random sample of a population include. SATA - correct answer Pre-screening Self-selection Selection from specific areas exclusion bias Threats to internal validity include which of the following? - correct answer Instrumentation Consent Treatment Multiple Treatments A Threat to internal validity resulting from loss of subjects during a study. A threat to internal validity because of events or circumstances that occur during data collection. A threat to internal validity that occurs because the subjects who consent to the study may differ. Internal validity threat that occurs because the instrument or data collection procedure changed. - correct answer Attrition Historical threat Consent effect Instrumentation A nurse researcher designs a study to assess the health attitudes of Pacific Islanders across the lifespan. The nurse researcher discusses the processes to ensure that the sample is representative of the population. Which statement should the nurse use to describe these processes? - correct answer we will select several individuals in each group to ensure that we represent participants across the lifespan In qualitative research, a guiding principle in deciding sample size is: - correct answer data saturation In summarizing data the mean is also known as the... - correct answer average Which of the following is defined as detailed documentation of sources of information, data, and design decisions related to a qualitative research study. - correct answer audit trail Which of the following are advantages of secondary data: SATA - correct answer efficient multiple uses of data increases breadth of the study The feasibility of applying qualitative research findings to other samples and other setting is defined as which of the following? - correct answer applicability and transferability Non-probability sampling that relies on referrals from initial subjects > snowball sampling The most commony used data collection tool > interviews can be used for both quantitative and qualitative study > participants are selected because of their convenient accessibility and proximity to the > convenience sampling quantify participants level of responses > questionnaire/survey - correct answer when a researcher makes a _____ they have concluded that the independent variable exerted an effect when, in fact, it did not. - correct answer type 1 error ____ data are those that denote categories and have no rank order, numbers given to these data are strictly for showing membership in a category and are not subject to mathematical calculations - correct answer nominal level data a nonprobablility method of selecting a sample that includes subjects who are conveninently available> convenience sampling a method of choosing a random sample using mathematical probablility to ensure the selection of cubic > cluster random selection a nonreproductive error that can arise from a variety of factors in measurement > random error refers to a type of sampling method wherein the researcher divides the population in separate groups > random selection - correct answer effective data collection must be designed to - correct answer be clear be unbiased be reliable be valid answer the research question the nurse is working on reviewing information about measurement and data collection. which definition best describes inter-rater reliability? - correct answer the extent to which an instrument is consistent across different users a bar chart is defined as - correct answer graphic presentation for nominal or ordinal data exact midpoint of the numbers of the data set > median most frequently occuring value in the data set > mode the average; a measure of central tendency > mode - correct answer compared to open-ended questions, closed questions are easier both for the respondent to answer and for the researcher to analyze. - correct answer true