this reminds me of the error biased marking scheme get an answer right = +1 point get an answer wrong = -2 point via subtracting the number of wrong answers f

this reminds me of the error biased marking scheme get an answer right = +1 point get an answer wrong = -2 point via subtracting the number of wrong answers from the right answers. so the plan that was advised is if you are not 100% sure of the answer then dont answer, and you only lose 1 point for not answering