Answer:Melissa is said to be a valedictorian which means she is a high ranking students in their school; she is leading academically in the school. She is the A student .
If Melissa got 78% and Lisa got 76% looking at the fact that she is only 2% behind the school valedictorian that means she did great me .
That how students usually validate themselves by comparing themselves to those students who are known to be doing real well in school , they use them as the gauge to see if they did well or not .
Explanation:
<span>Conditions that lead to social loafing can include over sized work groups, lack of task delineation, and rules of workload. Large groups tend to allow some individuals to let their groups do the work for them. Not having a specific task can discourage some workers when others might be more motivated to tackle the problem at hand. Not requiring a certain amount of participation means that students aren't held accountable for their part in the final product.</span>