{????? a 3-level ?????? ??????????????? ??????? in to your Fisher-???????????????????????????? |?????1% ???????{??|??|???|??|?????|????{??|??????|????? 1 ???| |????? 1 ?|???? 1 ?|???? 1 ?|???? 1 ?|???? 1 ?|????????????? — ??????????????????????????? |??? ?? ??? ????? ???????{??|???|????|??????????????????????? ?? ???” ???{???|????|????|????|???