Using Quantitative And Qualitative Research

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Sampling Procedures According to Creswell (2015a) “sampling in mixed methods research refers to the procedures for selecting participants (and sites) in both quantitative and qualitative research and to the sampling strategies employed with each of the designs” (p. 75). Creswell defines sampling procedure in mixed methods in relation to two central issues which are: 1) how to select a valid sample size for both quantitative and qualitative research designs in relation to the research question asked, and 2) most importantly, how to integrate quantitative and qualitative results in relation to the used mixed methods designed used for the research. As previously mentioned, an explanatory sequential mixed methods research design was selected to investigate vocabulary strategies used among Tuareg EFL learners in the Libya classroom. The sampling procedures pertaining to the selected design and the research questions for both quantitative and qualitative phases of the study are explained in detail in the following section.

Quantitative Phase Sampling There are two main kinds of sampling for the quantitative method in social research: 1) probability sampling and 2) non-probability sampling. In the former, there is a probable chance that every individual in a large population will be randomly selected in the research study, and it consists of our types of probability sampling: random, systematic, stratified, and multi-stage cluster. In the non-probability sampling, on the
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