Quantitative Approach
For quantitative analysis, data is coded usually into measured and recorded as nominal or ordinal variables.
Questionnaire data can be pre-coded (process of assigning codes to expected answers on designed questionnaire), field-coded (process of assigning codes as soon as the date flows, usually during fieldwork, post-coded (coding of open questions on completed questionnaires) or office-coded (done after fieldwork). Note that some of the above are not mutually exclusive.
In social sciences, spreadsheets such as Excel and more advanced packages such as PSPP/SPSS, DAP/SAS and MiniTab are often used.
Read more about this topic: Coding (social Sciences)
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