b79ce3e4_arning___five_practical_guides__Some_possible_disadvantages
[Assessment option] Shared Group Mark The group submits one product and all group members receive the same mark from the lecturer/tutor, regardless of individual contribution. [Some possible advantages] encourages group work - groups sink or swim together decreases likelihood of plagiarism more likely with individual products from group work relatively straightforward method [Some possible disadvantages] 
Individual contributions are not necessarily reflected in the marks stronger students may be unfairly disadvantaged by weaker ones and vice versa
Assessing Student Learning - five practical guides
Some possible disadvantages