349592b0_Human_factors___wikidoc__Use_of_subjects
[Name] Questionnaire [Cost] $ Limited in design to user opinion type questions. Many different types of questionnaires may be used including: Multiple Choice – Used when looking to choose a specific response. Rating Scales – Subjective data on subject’s opinion on a scale of 1-5. Paired Associates – Choosing between two options Ranking – Numerical Ranking 1-10 on usability Open Ended Questions – Used to get subjects opinion where they can write anything Closed Questions – Subject must choose from specific responses Filter Questions – Used to filter questions asked based on previous knowledge or experience. Early for user opinions on idea. As follow up for feedback on design. [Process] Define objectives, make introduction, question types. [Result type] Accurately reflects user opinions [Use of subjects] 
No need for face to face interaction; easy to get many subjects
Human factors - wikidoc