CMN 3102 Lecture Notes - Lecture 6: Research Question, Surveymonkey, Construct Validity

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

Document Summary

Quantitative analysis: relies on variables, spss, etc. Variables: provide quantitative measurement of concepts, contain different values. Example: education variable: high school, university, post-graduate. A level of measurement describing a variable that has values that cannot be ranked in contrast to other types of variables. Examples of nominal measures: country (us, canada, china, etc. , political party (liberal, conservative, ndp, etc. , social media (twitter, facebook, instagram) A variable with values we can rank-order along some dimension but cannot find the average value (the mean) Examples: education as composed of the following values. High school, university, post-graduate: social class/socioeconomic status as composed of the following values. In practice, ordinal variables can be assumed equivalent to interval-ratio variables. A level of measurement describing a variable whose values are rank-ordered and have equal distances between adjacent values. Atanasoff-berry computer (abc: invented and building in 1937-1942, speed up solutions of mathematical and statistical problems, no patent, us district court in 1973.