can you adjust for an orthogonal comparison do groups have orthogonal comparisons why is it necessary to adjust the alpha for a planned comparison? which comparison is orthogonal in a pre-hoc study? is the alpha for a 0 mean equal to or inverse are some comparisons a bit orthogonal in the alpha range what is meant by an orthogonal comparison? what is considered orthogonal when to use partial orthogonal comparisons are all comparisons orthogonal which comparisons must be orthogonal are comparisons orthogonal or not are planned comparisons orthogonal what is a planned comparison how to figure out if a comparison is orthogonal what is partially orthogonal? why a partial comparison should be considered partially orthogonal are group comparisons orthogonal what is the alpha of a partially orthogonal comparison which comparison is partially orthogonal?