Dr. Dowling is a clinical psychologist who is interested in the link between mental illness and criminal activity. She gets IRB permission to study patients at all five inpatient/residential mental health facilities in her state. There are 4,307 patients currently living in these facilities. She asks patients whether they have ever been arrested for a crime and whether they have ever been convicted of a crime. She collects a sample size of 1,369. She finds that 27% (+/–3%) report having been arrested for a crime but that only 13% (+/–3%) have been convicted of a crime. a. Choose a representative sampling technique and a biased sampling technique. Explain how Dr. Dowling would implement each of these sampling techniques. b. Name two populations of interest to which Dr. Dowling could reasonably generalize her findings. State which of these two populations would be more generalizable to her findings, and explain why that is the case.
Dr. Dowling is a clinical psychologist who is interested in the link between mental illness and criminal activity. She gets IRB permission to study patients at all five inpatient/residential mental health facilities in her state. There are 4,307 patients currently living in these facilities. She asks patients whether they have ever been arrested for a crime and whether they have ever been convicted of a crime. She collects a sample size of 1,369. She finds that 27% (+/–3%) report having been arrested for a crime but that only 13% (+/–3%) have been convicted of a crime.
a. Choose a representative sampling technique and a biased sampling technique. Explain how Dr. Dowling would implement each of these sampling techniques.
b. Name two populations of interest to which Dr. Dowling could reasonably generalize her findings. State which of these two populations would be more generalizable to her findings, and explain why that is the case.
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