Question: Please read about each of the following studies and determine if you would use a t test for dependent or independent random samples or a t test for independent means. Write ‘dependent’ or ‘independent’ for each study, a-c. (6 points)

1. A researcher randomly assigns 100 unemployed workers to receive a new job-skills training program and 100 unemployed workers to receive a standard job-skills training program. After the training, all subjects take a test to assess their job skills. DEPENDENT INDEPENDENT
2. A researcher tests the reaction time of a sample of randomly selected older workers, once in a normal-temperature room and once in a hot room. DEPENDENT INDEPENDENT
3. A psychologist measures the self-esteem of 21 randomly selected employees before and after a critical performance evaluation. DEPENDENT INDEPENDENT

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