1. Dr Amina Rashad and Dr Nahed Kandeel
Qualitative Research and
Its Practical Applications
Dr Amina Rashad and Dr Nahed Kandeel

2. Sampling in Qualitative Research

3. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Sampling
Sampling; It is involves selecting a group of people, events, behavior or any other elements.
Sampling plan: the process of making the selection.
Sample: selected group of people or elements……..
Sampling decision: have the major impact on the research result
01/01/2019
Dr. Amina Rashad, Qualitative Research and its Practical Applications

4. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Sample
Sampling becomes purposive, not random.
To be valid, study must observe truly representative sample.
Multiple realities of population should be represented
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

5. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Sampling Procedures
Quantitative Research
Examine the distribution of previously known phenomena and testing relationships between variables------It is appropriate to use random sampling technique
Qualitative Research
Seeks to understand phenomena…..The information may not be distributed among population………it is not appropriate to use random sampling technique
01/01/2019
Dr. Amina Rashad, Qualitative Research and its Practical Applications

6. Sample in Qualitative Research
Select the sample according to the purpose of the study rather than the relationship of the subject to the over all population.
Data are collected until no new information is obtained.
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

7. How many interview subjects do I need?
Interview as many subjects as necessary to find out what you need to know. (Kvale,1996).
It depends on a study Purpose.
**To understand the world as experienced by one specific person……one subject is sufficient
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

8. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Types of Samples
1- Opportunistic sample: the informants are selected according to the quality of their relationships with the researcher and their abilities to provide clear explination for the researcher.
2- Convenience sample: may be limited by time, constrains or other factors
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

9. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Judgmental Sample
Informants has been chosen because of their specialized knowledge of some particular topic.
Purposive sample =theoretical sample:
Informant will facilitate the development of emerging theory are selected…….having specific characteristics.
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

10. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Snowball or Nominated
In which sample frame follows social networks……..this technique is particularly useful when the researcher is regarded with suspicion and mistrust in the setting.
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

11. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Cont.
**Attitudes of boys and girls toward competition for grades…..the sample may be as small as three boys and three girls.
A common critique of the qualitative study is that the findings are not generalizable because there are too few subjects
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Dr. Amina Rashad, Qualitative Research and its Practical Applications

12. Dr. Amina Rashad, Qualitative Research and its Practical Applications
Learned Lessons
Obtaining detailed significant Knowledge from a few subjects which can be later generalizable to lager group.
Quantitatively, each single case contained immense number of observations.
Qualitatively, the focus in single case made it possible to investigate in detail the relationship of a specific behavior to its context, to workout the logic of the relationship between the individual and the situation
01/01/2019
Dr. Amina Rashad, Qualitative Research and its Practical Applications