2 pts In a study examining the effect of zinc and vitamin E supplementation on oxddative stress in elder women, participants are randomized into the following groups:
-600m(g)/()
day of zinc and
400I(U)/()
day vitamin E
-600m(g)/()
day of zinc and
1,000I(U)/()
day vitamin E
.0m(g)/()
day of zinc and
400l(U)/()
week vitamin E
-0m(g)/()
day of zinc and
1,000l(u)/()
day vitamin E What type of design is this?
◻
2\times 2
factorial design 203 factorfat destigh
2\times 4
factorial design
3\times 3
fertortat decten