CMN 3102 Lecture Notes - Lecture 6: Confounding, Ku Klux Klan, Criterion Validity

• School: University of Ottawa
• Department: Communication
• Course: CMN 3102
• Professor: Philippe Rousseau

Document Summary

Week 5: reliability and validity part 2. Criterion validity: criterion validity: concerned with how accurately a new measure can predict a well-accepted criterion or previously validated concept, ex: test a newly developed anxiety tool by comparing its scores to the. Validity threats: inadequate preoperational explication of concepts, if unsure of what to measure, you"ll most assuredly not measure it. The more concrete your purpose is for creating a scale from the onset, the better. When a participant guesses your hypothesis, it can skew how they respond: evaluation apprehension: many experience anxieties when they know they are being evaluated. This has greater potential depending on the sensitivity of the questions. Important to explain confidentiality and anonymity of responses might be necessary. Measurement problems: two most commonly discussed problems of measurement are reliability and validity. A measure can be perfectly reliable and have absolutely zero validity for the purpose for which a researcher created the measure.