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Final Review

Categorical asks the respondent to place themselves in one of several categories.
Continuous interval or ratio measure, age, BP
Summative presents a total score in which all parts are represented equally
Cumulative accumulated characteristic with each item representing an increasing amount of the attribute being measured.
Likert summative scale most often used to assess attitudes or beliefs. Reflects level of agreement or disagreement
Visual Analog Scale 100mm line, popular interval scale, simple way to measure intensity
Guttman Unique combination of responses provide cumulative total score; Ensures there is only one dimension within a set of responses
Semantic Differential Scale Continuum scale between two extreme opposites; Extremes generally in 3 dimensions: (1) Evaluation; (2) Potency; (3) Activity
Delphi Expert panel consensus development; Uses several rounds of questionnaires (experts filling out); used to build clinical practice ideas
Q-sort Comparison sort using ranking cards to characterize attitudes, opinions or judgments
Interview pros and cons Pros:face to face, in depth probing, observation of response Cons: lack of anonymity, cost & time insensitive, shcedualing
Questionnaire pros and cons Pros: quick, self administered, standardized, anonymity Cons: misinterpretation, recall bias, unknown bias
Internal Consistency extent to which items meas various aspects of same charac & nothing else
Created by: txst fall 2008