DATA COLLECTION

DATA COLLECTION

1. Primary sources

   • It is collected first time using various methods
     • It is collected by the researcher
       • It is never previously collected
         • Original sources
   • Quantitative research
     • random sampling and structured data collection instruments
       • testing hypotheses derived from theory and/or being able to estimate the size of a phenomenon of interest.
     • Interviews: The researcher asks a standard set of questions and nothing more.
       • Structured interviews: Verbally administered questionnaire.
       • Semi-structured interviews: Key questions which cover the areas to be explored.
       • Unstructured interview: Collect a wide range of information with a purpose
   • Qualitative research
     • To be open-ended and have less structured protocols.
     • Online communities
       • In-depth interviews
         • Online forums
           • Groups
             • Web survey chat

2. Secondary sources

   • It is previously collected by someone else for a different purpose
     • Don't need collected it again
       • Published data
   • Official methods: ministry of finance, agriculture, industry, so on.
     • Semi-official methods: banks, population commitee, so on.
   • Official
     • News paper and journals
       • Research organizations like universities