निम्नलिखित में से कौन सा एक व्यक्तिपरक (subjective) शोध दृष्टिकोण का उदाहरण है?

The main aim of interdisciplinary research is:

Which research approach focuses on understanding non-numerical data such as behaviors, attitudes, and opinions of individuals or groups?

What is the logical model or approach called in which specific expectations or hypotheses are developed on the basis of general principles?