Delivery and Telephone Face-to-face collection questionnaire questionnaire
questionnaire
Web
Mobile
questionnaire questionnaire
Increasing contact with respondent
• Consistency of measurement
Purpose
• The aim of survey research is to measure certain attitudes and/or behaviors of a population or a sample.
• A concept like mobility barriers may be used in either capacity: as a possible explanation of certain attitudes (entry barriers and exit barriers?)
Concepts and their measurement
• Once they are measured, concepts can be in the form of independent or dependent variables.
Concepts and their measurement
What is a concept?
• Concepts may provide an explanation of a certain aspect of the social world, or they may stand for things we want to explain.