Dr. Dew is a clinical psychologist who is interested in the link between mental illness and criminal

Dr. Dew is a clinical psychologist who is interested in the link between mental illness and criminal activity. Dr. Dew gets IRB permission to study patients at all 5 inpatient residential mental health facilities in the state. There are 4,307 patients currently living in these facilities. Dr. Dew asks patients whether they have ever been convicted of a crime. Du Dew collects a sample size of 1,369. Dr Dew finds that 13% (43%) have been convicted of a crime 1. What figure noted above represents the sample size? 1. 13% of patients 2. 5 mental health facilities 3.4307 patients 4. 1369 patients A journalist interviews Dr Dew about the study findings. The journalist criticizes the sample size as being too small and because of this the findings are not generalizable, 2. How might Dr. Dew respond to the journalist? 1″Actually, studies with 1000 participants is an ideal number for a representative sample 2. “Generalizability is not the main priority in this study.” 3 “We made sure to use unbiased sampling techniques in our study.” 4 “Our measures of criminal activity have been validated in past studies Dr. Dew’s colleague, Dr. Mountain, tried to replicate the findings in mental health facilities in another state. For their study, Dr Mountain decided to use a snowball sampling technique 3. Which of the following examples below best represents what Dr. Mountain did to recruit participants2 1 Snowball sampling is impossible to do in this study 2. Dr. Mountain made sure to over-represent particular groups in the sample 3 Dr Mountain only included those who volunteered to participate in the study 4 Dr Mountain asked participants to recommend other people they know in the facility to participate in the study After reviewing Dr. Dew’s survey, you find a few issues with the item measuring criminal activity. For example, one item states, “I have never not committed a crime 4. What is the main issue with this item? 1. It is a leading question 2 It is a forced-choice question 3. It has a double negative 4 It is a double barreled question After reviewing De Dew’s survey, you find a few issues with the items meaning communal activity. For example, one item states, I have never not committed a crime.” 5. Which of the four big validities does this threateni? 1 Internal 2 External 3 Statistical 4 Construct

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