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Week 4 Practice Problems Psy 315

552 words - 3 pages

University of Phoenix Material

Week Four Practice Problems

Prepare a written response to the following questions.

Chapter 7

26. The table below shows ratings of various aspects of work and home life of 100 middle-class men in India who were fathers. Pick three rows of interest to you and explain the results to someone who is familiar with the mean, variance, and Z scores, but knows nothing else about statistics.

|Comparison of Fathers' Mean Psychological States in the Job and Home Spheres (N = 100) |
|  | |Sphere |  |
|Scale |Range |Work |Home ...view middle of the document...

001 |  |  |  |  |

Chapter 8

12. Barker and colleagues (2012) compared 61 parents fo children who had a serious mental illness (SMI) to 321 parents of children withour such an illness. The researchers examined the parents’ reported levels of stress, their levels of a hormone called cortisol (levels of this hormone provide an indication of chronic stress), and their use of several types of medication. The table below shows the results of the study. Focusing on the parents’ number of stressors (the first row of the table) and the parents’ use of medications for anxiety or depression (the last row in the table), explain these results to a person who knows about the t test for a single sample but is unfamiliar with the t test for independent means.

|Descriptive Statistics and Mean-Level Comparisons |
| |
|Scale |Mother |Father |Friend |Professor |F(3, 56) |
|Conformity |24 |21 |12 |16 |4.21** |
|Extroversion |14 |13 |15 |13 |2.05 |
|Maturity |15 |15 ...

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