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Data Collection In Scientific Research

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5.2. Data collection

Data collection involves the collection of data by using different methods of data-collecting tools. There are two methods for collecting data in scientific research: primary data collection method and secondary data collection. Primary data are sets of data researchers collect from participants and secondary data are sets of data researchers collect from literatures, document from precedent researches and using internet.
Primary data collection for quantitative studies consists of interviews, questionnaire survey and observational method. But here the researcher used questionnaire survey to collect data. A total of 25 participants were selected using convenience sampling method. Participants included first, second, third …show more content…

A sample is selected to represent the population. Quantitative research generally focuses on purposeful sample rather random sampling, and has twelve types of sampling methods: Extreme case sampling, intensive sampling, maximum variance sampling, typical case sampling, critical case sampling, stratified purposeful sampling, snowball or chain sampling, criterion sampling, theory-based sampling, opportunistic sampling, purposeful random sampling and convenience …show more content…

Quantitative data collection uses random sampling and structure data collection instruments that fit many experiences into a predetermined response categories and the outcome product are easy to summarize, compare, and generalize. By using quantitative data collection this research was more concern with testing hypotheses derived from theory and being able to estimate the size of a phenomenon of interest.
A paper-pencil questionnaire was used as the data collection instrument in this research. Here the researcher utilized the paper-pencil questionnaire because it permits anonymity, and as stated by Chaleunvong (2013) this may result in more honest responses and does not require research assistant. The researcher used likert scale in the questionnaire whereby he got definite answers. This allowed the researcher to collect as much data he could in less time.
The questionnaire consisted of three sets of questions, the first set had 11 questions which responded to the first research sub-question, the second set had 5 questions which responded to the second research sub-question and the third one had 5 questions which responded to the last research question and all together responded to the research question. The sample of the questionnaire with the respondent answers is at the back in the appendix

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