It takes place with persons known to have been involved in particular concrete situations.

Related MCQs

• ............ sampling introduced its ability to change in accordance with the changing situations.
• _________ observation, the observer have been old specifically what is to be observed
• A meeting of persons face to face especially for the purpose of formal conference on some point.
• When someone studies about the average height of the students of a particular university, which way will be selected from the following, for more accurate results?
• ………………….. is also known as arithmetic average
• it enable the researcher to relate logically known facts to intelligent guesses about unknown conditions.