A researcher wants to determine whether toddlers pay more attention to male or female voices. The researcher tracks the number of seconds each child (N = 10) spends looking at both the male (M = 45, SD = 12.5) and female (M = 50, SD = 12.26) speakers. 4. Calculate the test statistic using the following data points. You may show your work using the chart below or write your calculations on a separate page. Male voice Female voice | Difference (D (A) (B) =B-A) 40 -3 30 35 -5 47 41 1 48 52 -4 65 73 -8 25 40 -15 38 40 -2 52 60 -8 SS = 50 54 -4 60 57 3 s; = Mean 45 49.5 -4.5 (=AVERAGE()) SD = Variance 157.333 138.944 65.611 =VAR(]) Smaify SD 12.543 11.787 5.061 (=STDEV()) Page 2 of 4 PSY 252 Exam 3 Review Worksheet 5. Is the effect statistically significant? 6. What is the size of the effect? Report a value for Cohen's d and