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A researcher would like to know if memory function changes significantly from the first testing session (Mem1) to the second testing session (Mem2). Perform a two-tailed t-test with α = .05 to answer the following question: Does memory performance change significantly from the first session to the second? Use the SPSS output to determine the effect size, Cohen's d, and explain what the effect size means in this context. Effect size must show in the SPSS table. Do not round, report all decimals from the table. (Note: It is OK if d is negative. But it needs to be consistent with the sign of t statistic. Report the t-test result in symbols according to the APA standards, including t statistic with degree of freedom, p-value, and effect size d.