Psychology 2032A/B Lecture Notes - Lecture 10: False Positive Rate, Civil Rights Cases, Risk Assessment

• School: Western University
• Department: Psychology
• Course: Psychology 2032A/B
• Professor: John Campbell

Document Summary

What is risk assessment: risk is viewed as a range, probabilities change across time. Risk assessments: criminal settings: risk assessment conducted at major decision points, pretrial, sentencing, release, public safety outweighs solicitor-client privilege. If you are threatening something/a person/ if there is a danger then the solicitor is obligated to report this. Types of prediction outcomes: true positive, you say they will offend again and they do, true negative, you say they will (cid:374)ot offe(cid:374)d agai(cid:374) a(cid:374)d they do(cid:374)"t. False positive: say they will reoffe(cid:374)d agai(cid:374) a(cid:374)d they do(cid:374)"t. False negative: predicted to not reoffend and they do, two types of errors are dependent on each other, each outcome has difference consequences for offender or society. Judgement error and bias: heuristics, a mental short-cut, general strategy or rule of thumb that can be applied to various problems, no guarantee of correct solution, quicker, more efficient that algorithms.