Why a Questionnaire?

Introduction

We all come across questionnaires frequently but to find out how suitable they are we need to ask two questions:

What do we want to use a questionnaire for?

Have alternative methods been considered - eg observation, interview, or focus group?

Observation (watching, listening, recording how people behave),
Interview (asking and discussing issues, views or experience with someone),
Focus Group (the group discusses views and experiences while the researcher observes, listens & records)