Distinguish between Survey and Case Study.
2. Survey : A survey is a form of planned collection of data for the purpose of description or prediction as a guide to action or analyzing the relationship between certain variables.
3. Surveys are generally, conducted on a fairly large scale as contrasted with case studies which tend to be more intensive but on a smaller scale.
4. Case Study is done in terms of limited space and broader time, whereas survey is done in terms of limited time with broader space.