What is Omega square? 1) is a strength of effect measure that provides a correction to Cohen's d overestimate. 2) is a statistical tool for adapting ordinal scales for use with t-tests. 3) is a strength of effect measure that provides a larger estimate than eta square. 4) is a strength of effect measure that provides a correction to eta square's overestimate. 5) is the multiplier used in computing confidence intervals.
