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.
From here, the quantitative research method can begin by using various methods to determine why faults occurred and ways to fix them. Qualitative research shows what is wrong, where quantitative methods reveal ways to improve products based on end-user input; or numerical data that can be analyzed. slide 4 of 6.