Before your time has expired on tests, you are now able to change your responses even after you've submitted them.
To normally submit your response on an exam, select your chosen answer and click the blue 'submit answer' button. You will see 'Your response was received' confirming your answer is recorded, with your selected response no longer able to be selected:
If you'd like to change your answer for this question before your time is up, simply click the new response you'd like to enter and click submit answer again.
Notice that the ability to choose the answer is gone from the current answer that has been submitted. The last answer submitted will be the one graded; any previously submitted answers will not be scored.
On the last page, results, you will be alerted if answers are needed for any problems.
