Data Collection

Data Collection

General Strategies for Sample Selection

Sample selection

What are some general strategies for sample selection? Why the right selection of sampling method is so important for any research? There are two broad classifications of sampling procedures: random and non random sampling. Both of these methods have several techniques and researcher select a technique that is most pertinent to their research. Sometimes there are more than one sampling …

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Purposeful Sampling in Qualitative Research

purposeful sampling

Purposeful sampling is a non-random sampling technique that utilizes a specific criteria or purpose to select particular sample. The researcher may use one or more than one strategies or criteria to select the sample. The aim is to collect in depth information from the right respondents. Principles of purposeful sampling The basic principle of purposeful sampling is that information is …

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Stratified Random Sampling

Stratified Random Sampling

Stratified random sampling is a type of random sampling or probability sampling. Random sampling ensures that every member of the population has an equal and independent chances of selection. In a population where there is low heterogeneity simple random sampling is very effective. In case the population has elements that does not share common characteristics the researcher should use another …

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Quota Sampling in Qualitative Research

Criterion Sampling

Quota sampling is a type of non-probability sampling in statistics and research. It is somewhat similar to stratified sampling except that it is a non-random sampling method. Its use is more common when there is no obvious sampling frame available or the researcher has a low budget and less time to undertake the research. Sampling process The method for sample …

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Ethical Issues in Participant Observation

ethical issues in participant observation

Participant observation is a qualitative method of data collection in research. It enables the researchers to fully participate in the the situation that they are studying. Thus researchers can become part of the life, event, or situation that they want to study. Researchers who want to dig deep into the life of the participant can get help from participant observation. …

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Using Government Records for Research

Government records are very useful secondary source in the research. They provide large data that is otherwise cumbersome for the researcher to collect. Each of the government department collect data through census or other research that is often available for the researchers. For example, government departments like housing, social security, electoral statistics, tax records etc provide detailed statistics to the …

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Descriptive Qualitative Research Design

What is a descriptive qualitative research design? Qualitative description is another name for this research design. It can answer questions like what, who, where, and when. The answers to these questions are not possible form first hand experiments, or observations. Therefore, the researcher asks these questions from people who know about the phenomenon. Or gathers information from secondary sources like …

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Methods and Methodology in research

methods and methodology

Research methods and methodology are not interchangeable terms and they are both important for a research. Some students do not know whether they are talking about one or the other and this brings confusion for the reader. Generally, methodology is a broad term while methods is specific in nature. What you need to know….. A research method is a tool …

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Blinding and Masking

Blinding or masking in research refers to not informing the patients and/or the investigators about the treatment assessment. The reason for blinding and masking is to prevent subjective bias that can occur due to the knowledge of the assessment. The use of blinding and masking is most common in medical studies. Especially, when the outcomes of an intervention are studied. …

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Data Triangulation in Qualitative Research

Research glasses

Written by Saira Naeem Data triangulation in qualitative research is used as a means to make sure that the research is AffluentRobustComprehensive and Well developed What does data triangulation mean? Data triangulation is where the researcher uses two or more methods for the verification of the findings and results. Data triangulation is also called cross examination because it double or even triple checks …

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