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Question: Strawberry Internationalwishes to conduct a research study using their employees as key participa...

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Strawberry Internationalwishes to conduct a research study using their employees as key participants. The organization maintains a global footprint and employs over 25 000 employees at several branches worldwide.

1. Discuss why sampling such a population is necessary. (10)

2. Describe four types of non-profitability sampling. (8)

3. Critically analyze the principles of simple random sampling (12)

**NB: Please respond to the above questions in point form as asked above

Answer 1

Strawberry international wishes maintain 25000 plus employees at several branches. The researcher is difficult to decide the size of the sample if the sample is larger than what is required. It will increase the time and cost of the researcher. So the researcher needs to select the sample that may be in optimum size. An optimum sample is defined as the size of the sample, which fulfills the requirements of efficiency, representativeness, reliability, and flexibility

Non-probability sampling

1 Accidental sampling

In this method, the researcher simply contacts and pick up the person he meets in one of the areas who are willing to be interviewed or to provide the information required. For eg: the researcher may take 100  persons and he meets and seeks the information that he wants.

2 Quota sampling

It is a judgment sampling. The researcher set up some quotas according to some specified characteristics

For eg: On the basis of income groups, On the basis of age, etc

Quota Sampling is often used in market research. The researcher is required to find cases with particular characteristics they are given a quota of particular types of people to interview and the quota is organized in such a way that sample should be representative of the population.

3 Purposive sampling

In purposive sampling, the researcher attempt to obtain a sample that appears to him to be representatives of the sample and will try to make sure that a range of from extreme to the other included. This type of research is often used in political polling. The researcher get good idea of outcomes for whole electorate

4 Snowball sampling

It is another form of purposive sampling The researcher initially contact a few potential respondents and then ask them whether they know of anybody with the same characteristics that he was looking for in his research

PRINCIPLES OF RANDOM SAMPLING: CRITICS

This method is often used in market research surveys mainly shops, garages, other premises of urban areas

LIMITATIONS

This method is not effective in particular areas. eg poor, rich. In such cases, the sample is not representative

It may be abused by the researcher because to check that instructions fully carried out