Statistical Significance Vs Effect Size In Math: Importance Of Cohen’S D And Correlation Coefficients

T/F: statistical significance doesn’t tell you about the MAGNITUDE of the effect

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True. Statistical significance indicates whether an observed effect is likely to be real and not due to random chance, but it does not provide information about the magnitude or size of the effect. Effect size measures, such as Cohen’s d or correlation coefficients, are needed to understand the magnitude of the effect.

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