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7.3.24 The "Reading the Mind in the Eyes Test\" (RM ET) measures the ability of a person to infer the mental state of another from looking at facial expressions. Researchers Domes et al. (Biological Psychiatry, 2007) conducted a study on the effect of oxytocin (a hormone often linked with bonding, trust, and empathy) on people's performance on the RMET. 30 healthy male volunteers (ages 2130 years) were administered oxytocin and a placeboeach as a nasal spray, in a random order and with a week of washout period between the two treatments. Forty-ve minutes after administering each treatment, participants were given the RM ET. The researchers noted that the average increase in RMET score when on oxytocin compared to when on the placebo was 3 points, with a standard deviation of 7.77 points. The differences in RM ET scores were not strongly skewed. Regardless of your answer to part (c), perform a theory-based test to test the hypotheses stated in part (b). Report a test statistic value and a p-value in your answer. Round the test statistic to 2 decimal places, as. 5.83, and the p-value to 4 decimal places, e3. 0.0583. t= n ,p-value= n Find a 95% confidence interval for the parameter of interest. Round your answers to 2 decimal places, e.g. 5.83. Confidence interval = (