b79ce3e4_arning___five_practical_guides__Some_possible_disadvantages
[Assessment option] Individual Mark - Allocated task Each student completes an allocated task that contributes to the final group product and gets the marks for that task [Some possible advantages] a relatively objective way of ensuring individual participation may provide additional motivation to students potential to reward outstanding performance [Some possible disadvantages] 
difficult to find tasks that are exactly equal in size/complexity does not encourage the group process/collaboration dependencies between tasks may slow progress of some students
Assessing Student Learning - five practical guides
Some possible disadvantages