Here they will be looking for a logical and analytical approach.

Show evidence of careful planning e.g. define the problem, do your research, break it down into smaller units and have a contingency plan if things don't work out.

Give examples of problems you have solved in the past.

You might include in your answer:

* The research you will need to undertake

* People you will need to talk to

* Estimation of the time it will take

* External help you may have to call on

* Resources you will need