Résumé
This document explains what quota sampling consists of, its advantages and its disadvantages and illustrates this method through a concrete example. Quota sampling has some similarity to stratified sampling however the selection of respondents within strata is non-random, but is left to the interviewer. This non-random element is its greatest weakness and quota versus probability has been a matter of controversy for many years.
Outline:
1. Advantages
2. Disadvantages
3. Description of quota sampling
4. Example