An insurance company wants to study whether offering incentives for preventative care reduces overall health care costs. They select a random sample of 200 of their customers.
The company ranks the customers according to total health care costs for the previous year. For every 2
customers, in order, from the list, the insurance company randomly assigns one customer to be offered the
incentive and the other to the control group.
What type of experiment design is this?
Choose 1
Cluster
Randomized block
Completely randomized
Stratified