Question: A researcher found a statistically significant difference between the average life satisfaction of the two groups: older adults (N = 10) was 44.3(5D = 8.68)

A researcher found a statistically significant difference between the average life satisfaction of the two groups: older adults (N = 10) was 44.3(5D = 8.68) while that for the younger adults (N = 10) was 28.1 ( SD =; 8, 66 ); t(18) = 4.18; p < 0.05 Calculate the effect size. Round to 2 decimal places

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