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Sampling Design - Coggle Diagram
Sampling Design
(1) Basic Terminologies
Data
Variable
Population
Sample
Statistic
Parameter
Census
Sample survey
Pilot study
Sampling frame
(2) Importance of
Sampling Design
Reduced cost
Gathers vital information quickly
Reduced labor requirement
Produces accurate & reliable results
Avoid destruction of the results
(3) Sampling Design
Process
1) Defining the population
2) Establishing sampling frame
3) Determining sample size
4) Specifying sampling method
5) Selecting the sample
(4) Sampling
Techniques
Probability
Sampling
Simple Random Sampling
Systematic Sampling
Cluster Sampling
Stratified Sampling
Non-probability
Sampling
Convenience Sampling
Judgemental Sampling
Snowball Sampling
Quota Sampling