A private investigator â also known as a PI, Private Detective or Private Eye â is someone that is hired to undertake an investigation. Most states require PIs to be trained and licensed. Investigators often have a law enforcement and/or a military background. Back to Top.
Quantitative vs Qualitative. Quantitative and Qualitative are two terms between which a variety of differences can be identified. Quantitative has a lot to do with the quantity of an object or a person. On the other hand, qualitative has a lot to do with the quality or the attribute of an object or a person.
The primary aim of a Qualitative Research is to provide a complete, detailed description of the research topic. It is usually more exploratory in nature. Quantitative Research on the other hand focuses more in counting and classifying features and constructing statistical models and figures to explain what is observed.