Any study that is conducted using an observational technique or unstructured questioning can be classified as which is becoming increasingly popular in a number of research situations.

Any study that is conducted using an observational technique or unstructured questioning can be classified as qualitative research.

EXPLANATION:

Qualitative research is done to observe the quality of the product or the system and not the quantity of the product. Non-numerical data is observed in this search. Qualitative research is done to get the concepts, definitions, characteristics and description of things and not the count or measurement. Qualitative research can be done in six different types.

The methods for collecting the qualitative data are varied using unstructured or semi-structured techniques.

answer; (d) none of the above;

answer; i believe the correct answer is (federalist);