4	3	2	1
Impact	Various valid examples of impact are given	Various examples of impact are given	Some dubious examples of impact are given	Little or no example of impact are given
Coherence	The writer's message is delivered thoroughly and effectively	The writer's massage is delivered effectively	The message is not clear but an attempt to deliver it is made	There is no message or message is hard to understand.
Originality	The student reached innovative conclusions based on original and critical thinking	The student reached conclusions based on original and critical thinking	The student reached some conclusions but they were not original; little critical thinking involved	No conclusions were reached, or those reached were incoherent and not supported by evidence cited