Research is widely used by professionals in almost all industries; be it business, manufacturing, medical, education, etc. To carry out a thorough research, you need to follow some essential steps with regards to the collection of data.
And when it come to research as a whole, the techniques of data collection are important aspects to be considered. Data collection is a method in which information related to a study is gathered by suitable mediums.
Types of Data
The types of data are basically classified on the basis of their collection methods and their characteristics. Primary data is that which is collected first-hand by the researcher himself, without relying on any kind of pre-researched information. Common techniques are interviews and questionnaires.
On the other hand, secondary data is that which is collected from other means, instead of the researcher's. Few examples of secondary data include government census and company surveys.
Data classification in also made on the basis of attributes of the data―qualitative and quantitative. The difference between qualitative and quantitative research is that, the former relates to data that is descriptive in nature, and does not involve numbers and statistics.
Whereas, the latter is the data which is numerical, and has a lot to do with numbers and figures. A good researcher will always back up qualitative data with quantitative data.
The researcher can visit a place and take down details of all that he observes, which is actually required for aiding his research. Here, the researcher has to make sure that what he is observing is real.
Research experiments are usually carried out in fields such as science and manufacturing. This is the best method for gaining an in-depth understanding of the subject related to the research.
There are many other methods of data collection which may help a researcher draw statistical as well as conceptual conclusions. For obtaining accurate and dependable data, researchers prefer to combine two or more of the mentioned data collection techniques.