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WEEK 7: SAMPLING METHODS - Coggle Diagram
WEEK 7: SAMPLING METHODS
SAMPLING METHODS
Probability
(2) Systematic Sampling
- Select every x-th elements, the x is determined by researchers
(3) Stratified Sampling
- Divide population into sub-groups and then randomly take sample
(4) Cluster Sampling
- Choose those are readily available to survey such as friends or family members
(1) Simple Random
- Randomly choose the sample
Non-probability
(1) Convenience sampling
- Choose those are readily available to survey such as friends or family members (Ai tiện thì survey)
(4) Quota sampling
- Divide the population and ensure the sample reflects the predetermined proportions from each sub-groups (Chia population ra, sau đó lấy sample theo tỉ lệ)
(2) Snowball sampling
- Start with few participants and then having them to recommend to others (tận dụng mối quan hệ)
(3) Judgment sampling
- Select based on the researcher's judgement (Tự đánh giá xem ai có khả năng phù hợp với target respondents)
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