NU608 Exam Study Guide with Complete Solutions

NU608 Exam Study Guide with Complete Solutions Target. Population - Answer-the entire group about which a researcher would like to be able to generalize simple random sampling - Answer-every member of the population has an equal probability of being selected for the sample Cluster Random Sample - Answer-Divide the population into a large number of clusters. Select a simple random sample of the clusters and use the subjects in those clusters as the sample Random sampling method example - Answer-Cluster sampling The best Sample is - Answer-Representative of the population The researchers wants to determine the benefit of using a new beginning algebra study technique obtained permission from school to select 50 high schools students. Researchers selected 50 beginners algebra student at random. The researchers selected 25 of those 50 to participate in new study program. The researchers gave training sessions on traditional study techniques to the other 25 students and asked them to use the these methods. The method of sampling used in this study is - Answer-Simple random sampling EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 2/15 Greatest threat to external validity in this study - Answer-The use of students from one school district Example of nonrandom sampling method - Answer-Convenience sampling stratified random sampling purpose is to - Answer-Ensure the sample proportionately represents individual from different categories of the population Population - Answer-group of individuals of the same species that live in the same area Only probability sampling strategies yields representative samples. True or False - Answer- True simple random sampling - Answer-every member of the population has an equal probability of being selected for the sample sampling frame - Answer-Population of interest as defined through available records Cluster sampling is often preferred to other random sampling strategies because - Answer-It can be used when sampling frame is not available Stratified random sampling is preferred strategy when - Answer-you want to include specific subgroups in the study Systemic sampling can produce biased Sample when - Answer-There is a structure to the sampling frame EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 3/15 You are interested in factors that predict loyalty to sports teams. Which of the following would be an example of an purposive sampling strategy - Answer-Obtain a directory of seasonal ticket holders of professional sports teams Convenience sampling are frequently used in student research because - Answer-Takes less time and money Comment cards at restaurants are examples of - Answer-Voluntary response sampling Students ID numbers and counselors have computer select 50 random ID numbers to take surveys. What type of sampling is this. - Answer-Simple random sampling Correlation - Answer-A measure of the extent to which two factors vary together, and thus of how well either factor predicts the other. Example noise level in patient room and ambient noise and stress levels What factor most impacts the choice of data analysis tools in addition to research design - Answer-Researchers methodology How would a researcher ensure the new observation tool was reliable. - Answer-Have researchers use tool within a specific time fr7and place with the same subject and see if similar result are achieved What does external validity mean - Answer-That the tool is transferable to a variety of settings EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 4/15 The project team begins to develop the design strategies for the emergency room. They want to locate the most relevant research. What is the BEST Place to local this information - Answer- Database What is the best best source of information for the team to use when developing their guiding principles. Hospitals - Answer-Relevant literature What must the team include in the hypothesis to properly evaluate their design feature - Answer-Prediction of expected relationship 1000 children names placed in computer database. The computer instructed to select 100. Example of - Answer-Simple random sampling quota sampling example - Answer-Using middle school directory selecting first 20 of each child boy girl from each grade. Research knows middle school teacher and teacher volunteers her 35 students for a study. Example of - Answer-Convenience sampling Census - Answer-Data collection about everyone or everything