NSG 3029 Chapter 07 Exam (GRADED A+) Questions and Answers

Chapter 07 1. When subjects elect not to participate in a study and/or *— drop out of a study, this can lead to: A. Sampling error B. Sampling bias C. Selection bias D. Selection error ANS: C 2. The potential participants who meet the definition of the *— population and are accessible to the researcher is referred to as the: A. Population B. Sample C. Subjects D. Sampling frame ANS: D 3. The only way to be sure that a sample represents a population is if it incorporates the following two essential criteria: A. Random selection and independence B. Random selection and dependence C. Purposive selection and independence D. Purposive selection and dependence ANS: A 4. Selection bias may occur under all the following conditions except: A. Sample is not representative of the population B. Numbers in the sample are adequate C. Researcher is able to influence selection or assignment of subjects D. Ease of recruitment skews subject characteristics