WEEK 25 Usability Engineering - Surveys and Questionnaires

Flashcards covering key terms and concepts related to surveys and questionnaires in Usability Engineering.

Survey

Research methodology for gathering information from a sample of people.

Questionnaire

A set of printed/written questions devised for the purposes of conducting a survey.

Open questions

Questions that allow for free text responses.

Closed questions

Questions that provide a pre-defined categorical response set.

Usability

Measures effectiveness, efficiency, and satisfaction of a system.

Reliability

The consistency of a measure across different occasions or items.

Validity

The extent to which a questionnaire measures what it is intended to measure.

Psychometrics

The field concerned with the theory and technique of psychological measurement.

Demographic questions

Questions aimed at classifying respondents based on characteristics such as age, gender, and education.

Social desirability bias

The tendency for respondents to provide socially acceptable answers rather than their true feelings or behaviors.