Comprehensive Solution Manual for Statistics for Nursing Research A Workbook for Evidence-Based Practice 4th Edition by Susan Grove and Daisha

Comprehensive Solution Manual for Statistics for Nursing Research A Workbook for Evidence-Based Practice 4th Edition by Susan Grove and Daisha This study resource was Exercise 2: Identifying Probability and Nonprobability Sampling Methods in Studies 1. Probability, simple random sampling. Each department was in the target was identified by a number that had been selected from a random numbers table. 2. Yes, the sample is representative. Probability sampling allows every person or element of the study population to be represented without researcher bias and minimizes sampling error. 3. Nonprobability, convenience sampling. In convenience sampling, subjects are enrolled in the study until the target sample size is reached. Convenience sampling does not allow for the opportunity to control for sampling errors and biases. 4. Nonprobability, network or snowball sampling. Network or snowball sampling makes use of social networks and the fact that friends often have common characteristics. The selected individuals were asked to locate other substance abusers they knew to participate in the study. 5. Probability; stratified random sampling. Stratified random sampling is used when the researcher knows some of the variables within a population that will affect the representatives of the sample. 6. Was the sample identified in the Ulrich et al. (2005) study in Question 5 representative of the target population of NPs and PAs? Provide a rationale for your answer. Yes, stratified random sampling is used when some of the variables within a population are known that will affect the representativeness of the sample. 7. Nonprobability; purposive sampling. Purposive sampling occurs when the researcher consciously selects subjects, elements, events, or incidents to include in the study. The event in this study is the tornado. Those selected for the study lived in the city where the tornado occurred. 8. Nonprobability; convenience sampling. Participants in convenience sampling are recruited because they are accessible and available to participate. The participants of this study were chosen because they were admitted to the hospital. 9. Nonprobability; purposive sampling then theoretical sampling. Purposive sampling was used because the participants were selected based on their familiarity with, interest in, and willingness to reflect and discuss their hope experience. Theoretical sampling was then used to achieve theoretical saturation. 10. Nonprobability; purposive sampling. Purposive sampling was used because the researcher consciously selected the subjects.