1. Group by group selection of sample. 2. No specific number of respondents 3. Every individual has the opportunity to be chosen as part of the sample. 4. The selection is determine through chance and system. 5. The sample selection are the ones volunteering to constitute the sample. 6. The willingness of a person as your subject to interact or respond with you counts a lot in this non-probability sampling method. 7. Selecting those with rich experiences or interest in your study. 8. This makes you isolate a set of persons instead of individual members to serve as sample members. 9. Choosing sample members possessing or indicating the characteristics of the target population. 10. Have a list of all members of the population; write each name on card, and choose randomly.​