TTest is the modification of Quiz activity(module) which allows you to measure answer time (in seconds) for each question in attempt. Now, when you click on link in column "Grade/10" in "Results>Overview" tab you receive time values and answers for select attempt. Tab "Answers" brings you values for all attempts.

Installation:
Just copy directory ttest in mod directory of moodle, and files from "en_utf8" to "lang/en_utf8". Go to "Notification" in moodle Site Administration.