SOSC 3993 Lecture Notes - Lecture 5: Content Validity, Face Validity, Operationalization
28 May 2013
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May 23, 2013: defines a concept ( process) of the variables. Ex: racism- how do you define racism. Concept of race- some races are inferior than others. Ex: depression prolonged sad state; isolation no control over self: clear when defining, gives meaning through and indicator. Indicator- helps you define what you mean by that concept. Operationalization: take you definition and indicators and figure out how to measure your concept. Ex: survey- how will you ask question on how sad you are: question measuring each indicator. Created a set of 20 questions to figure out if someone was an alcoholic: good indicators of alcoholism. Measurement-> observing: levels of measurement, nominal measures (basics) Mutually exclusive- provides only one answer: ordinal measure. Ex: satisfied - no opinion- not satisfied. Ex: dress size; size 6 , size 12, true to size. 0 size or 00size, not true does not exist. Ex: 0 degrees doesn"t exist: ratio measure.
