Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Eduncle Best Answer
1. Ranking item question : Question are given to record the preference of the respondent.
2. Ambiguous questions : When the language of question is such that it may be interpreted in more than one way.
3. Dichotomous question : When reply to a question is given in form of one of the two alternative
4. Structural question : When answer to a question has been preconceived and classified in to possible groups