Before revision:  To ensure completion of such tasks, platforms frequently use a commitment lever known as "adoption . " Despite being effective in reducing match uncertainty, high levels of adoption reduce match availability for volunteers which in turn can suppress future engagement .
After revision:  To ensure completion of such tasks, platforms frequently use a commitment lever known as "adoption . " which amounts to a commitment by the volunteer to repeatedly perform the task. Despite reducing match uncertainty, high levels of adoption reduce match availability for volunteers which in turn can suppress future engagement .