Answer:
From the task given by Sarah's parents the missing criteria is Measurable
Explanation:
form the SMART criteria which stands for:
- specific : cleaning of the bathroom
- Measurable : the amount of work she puts in each time she does the task can't be measured hence it is lacking on this part.
- Attainable : cleaning of the bathroom is attainable because it is a very simple task and human possible task
- Relevant : cleaning up the bathroom is a very relevant task because it helps to keep the bathroom neat
- Time-bound: twice a month for one year is a specific time
