Quantitative is one of two processes used in analytical chemistry to analyze matter. Quantitative, as an adjective, comes from the French word "quantitative". Analysis is divided into qualitative and quantitative. Quantitative analysis; It is an analysis method used to analyze not what the ingredients of a substance are, but how much of what is in this substance.

Quantitative research is the most widely used data collection technique in the research industry. It is used when there is a need to access numerical data due to the purpose of the research project. It includes quite different methods in itself.

• Face-to-face meeting,
• Telephone interview,
• Online interview
• Computer-assisted telephone interviews (CATI)
• Computer-assisted personal interviews (CAPI),