## 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 &amp; 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

Meaning

The target population must be defined in termsof elements, geographical boundaries, &amp; 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 &amp; thescope of the study