why use omega squared can omega squared be used to measure effect what does omega squared measure? what is omega squared what is omega squared why do i need omega squared omega squared r does omega squared work in r omega squared effect what is omega squared which is better omega squared or omega squared? how is the omega squared used why do you use omega squared what is omega squared in r what is the omega squared in r used for what is omega squared what is omega squared what is omega squared used for what is omega squared in r used for which r program uses omega squared and omega squared in the same experiment? why use omega squared