PSYC 2390 Lecture Notes - Lecture 4: James Clerk Maxwell, Power Law, Response Bias

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2390
• Professor: Naseem Al- Aidroos

Document Summary

*i hope you did the roc handout i gave you on thursday sept 11, as per the news item on courselink . Some people require less evidence than others (liberal criterion) before they say yes i sense this . Lots of evidence needed to say yes i sense this have a conservative criterion. Signal detection paradigm: a refinement on the classic psychophysical techniques. *chart 3: how to interpret the results of a signal detection study (the easy way- from a single study, how do you know how sensitive the observer is? (also known as d1) Look at the difference between the hits and the false alarms and the misses and the correct rejections. Also look at how they use the words yes and no systematically. Are they conservative or liberal in their responses: the hard way: multiple studies: the roc curve (receiver operating curve, see pp.