PR keme

states the reason why you chose the place in your

research

focuses on population, not accessibility

defined by researcher by identifying

unit being sampled, geographical loc, and temporal

boundaries

answer the questions: total number of participants,

sampling method used, characteristics of the

participants

pure chance selection

divided into

groups according to a criteria

isolate a set of persons

instead of individuals to serve as sample members

different sampling

techniques are used

know the characteristics of

participants well

sample selection are

volunteering to constitute the sample

selected

based on individual's belief