Comparative investigations aim at collecting data of two similar groups or items and inferring the similarities and contradictory phenomenon in the posed group is called comparative investigation or analysis.
Step-by-step explanation:
Comparative investigations refer to the process of collecting data and information of organisms, objects, features or collecting data under two different situation and circumstances in order to make a comparison. The similarities and the contradictory aspects are also compared in comparative investigation
The benefit of such comparative studies is that a huge data is amassed from different situations and it enables for an in-depth analysis of the situation. One limitation is that sometimes such huge data for comparison can be biased and the results of such analysis may be misleading too.