Mathematics, 23.03.2020 17:24 edjiejwi
An industrial/organizational psychologist has been consulting with a company that runs weekend job-seeking workshops for the unemployed. She collected data on several issues related to these workshops and, after conducting statistical tests, obtained statistically significant findings. She needs to find a way to evaluate effect size so that she can make recommendations to the company.
One of the psychologistâs findings is that immediately after the workshop, a sample of 49 job seekers who received training on resume writing scored an average of 6.5 as measured on a 9-point job-search satisfaction scale, with a standard deviation of 1.2. The typical job seeker scores 5.8 points.
(a) The psychologist finds that the estimated Cohenâs d is .
(b) The t statistic is 4.12, and rĂ² is .
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