Researchers in a statistics course at a Texas college wanted to investigate the optimism in receiving a job after graduating among class graduates. To test this they surveyed a sample of 9 students Graduating Class of 2010 on using an Optimism assessment scale (0-20; Higher scores indicated higher optimism while lower scores indicated lower optimism). The previous year’s class had an average optimism score of 15 (? = 15). The mean optimism score for the Class of 2010 had a mean optimism level of 10 (M=10) and an estimated standard error of 1.14. Unsure of the direction of the result, researchers used a 2-tailed test with an alpha level of 0.05. After running a one-sample t-test, the t-observed statistic of -4.39 surpassed the t-critical value of +/- 2.31 and had an effect size of 1.46. Following the APA Format how would you write the following information in APA format? What do the results conclude?
Researchers in a statistics course at a Texas college wanted to investigate the optimism in receiving a job after graduating among class graduates. To test this they surveyed a sample of 9 students Graduating Class of 2010 on using an Optimism assessment scale (0-20; Higher scores indicated higher optimism while lower scores indicated lower optimism). The previous year’s class had an average optimism score of 15 (? = 15). The
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