What is plagiarism?

Is the following an example of plagiarism, cheating or collusion? Fabricating or making up references.

What about taking unauthorised material into an exam?

What is copying another learner's work an example of...?

And lying about medical or special circumstances to get special or preferential treatment?

What is this an example of: a learner allowing another learner to copy their work?

And how would you describe buying work from someone else or from an 'essay mill'?

What if you secretly gained information about the content of an exam or online test?

What about paraphrasing or copying material without acknowledging the original author?

What if a learner completed work or an exam for another learner?

And how about not contributing a fair share to group work that will be marked as a group score?