Discuss the reference tools you used to conduct the research- go into detail about the individuals involved in the problem- and talk about how you actively applied the information you gathered.
Try to avoid making yourself sound like a hero- and simply show your interviewer that you are proactive and results-oriented.
Problem solving requires two distinct types of mental skill, analytical and creative.
Analytical or logical thinking includes skills such as ordering, comparing, contrasting, evaluating and selecting.
Everyone has to do these things- and you will simply sound like all the other applicants if you discuss mundane issues.
Choose an example where you were forced to take control of a situation and jumped into researching a topic headfirst.
If you solved a problem that perplexed others- your answer will seem even more impressive.
Use the STAR Method: STAR is an acronym used to describe a technique for answering behavioral interview questions.
Ideally- you will want to discuss a situation that had positive results.
At my previous job as an accountant- a client became irate because she felt that we had overlooked some very important data involving her tax returns.