UGC NET Research Q6

Question

In the two sets given below, Set - I specifies the methods of research while Set - Il describes the critical feature associated with a method of research. Match the two and select from the code to indicate your answer.
Set -I (Research methods)
(a) Experimental method
(b) Ex post facto method
(c) Historical method
(d) Ethnographic method
Set - II (Critical features associated)
(i) Generalizing to the population from a large sample
(ii) Establishing the patterns of events which have happened, through primary and secondary sources
(iii) Studying shared behaviour patterns
(iv) Establishing cause and effect through control
(v) Probing into the causal factors from the observed effects