Part Two THE DESIGN OF RESEARCH McGraw-Hill/Irwin © 2003 The McGraw-Hill Companies, Inc.,All Rights Reserved.
Chapter Nine MEASUREMENT SCALES
What is Scaling? Scaling is assigning numbers to indicants of the properties of objects
Types of Response Scales Rating Scales Ranking Scales Categorization
Types of Rating Scales Simple category Multiple choice, single response Multiple choice, multiple response Likert scale Semantic differential Numerical Multiple rating Fixed sum Stapel Graphic rating
Rating Scale Errors to Avoid Leniency Negative Leniency Positive Leniency Central Tendency Halo Effect
Types of Ranking Scales Paired-comparison Forced Ranking Comparative
Dimensions of a Scale Unidimensional Multidimensional
Scale Design Techniques Arbitrary scaling Consensus scaling Item Analysis scaling Cumulative scaling Factor scaling