		Conditioned		Total
		Yes = +1	No = +0	Total
Condition	Yes =+1	([_RU_t = +1], [₀W_t = +1])	([_RU_t = +1], [₀W_t = +0])	_RU_t
Condition	No = +0	([_RU_t = +0], [₀W_t = +1])	([_RU_t = +0], [₀W_t = +0])	_RU_t
	Total	₀W_t	₀W_t	_RW_t