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