MindMap Gallery THE SAMPLING PROCESS
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THE SAMPLING PROCESS
5. Executing The Sampling Process
4. Determine The Sample Size
Factors affecting sample size
The research objective
The extent of precision desired
The acceptable risk in predicting that lvlof precision
The amount of variability in the population itself
The cost & time constraints
The size of population
3. Determine The Sampling Design
Types Sampling Design
Probability
Element in the population have someknown,non-zero chance or probability ofbeing selected as sample subjects.
Use when Representativeness of the sample isof importance in the interests of widergeneralizability.
Non-Probability
Element do not have known or predeterminedchance of being selected as subjects
Used when time or other factors, rather thangeneralizability become critical.
2. Determine The Sample Frame
Meaning
Is a (physical) representation of allelements in the population fromwhich sample is drawn
1. Define The Population
The target population must be defined in termsof elements, geographical boundaries, & time
Example
Expatriate in Klang Valley Hotel
Reading habits of elderly target population is ppl aged 50 and over
Important
Illustrate that the research objective & thescope of the study