For your class project, I recommend an Interview.
A "survey" basically means an Interviews or a Questionnaire
This page is about shared issues, and how to choose between them.
For specific tips see:
|You can only do 1-2 interviews a day||You can send 10000|
|Need to do it in person||Can email or post|
|Cannot be anonymous.||Can be anonymous|
|Not good for embarrassing questions||A little better for embarrassing questions|
|Everyone will probably finish||Many questionnaires will go in bin|
|Flexible - you can add questions||Fixed - once you send it you can’t change|
|Hard to analyse (transcribe, code)||Easier to analyse (especially if closed)|
|Interviewer can change (bias) questions||Questions always the same (reliable)|
|Can see body language, expressions||No body language, etc.|
Interviews are best for finding out what a few people think/do when you are not sure.
Questionnaires are best for checking something is true with a large number of people
This means interviews are better than questionnaires for undergraduate projects because usually:
See write good survey questions