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# How Research Is Used for Evaluation

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1. Can you describe how research and evaluation can be used by the Veterans Administration regarding the recent issue on the extreme delays of veterans receiving medical appointments.
2. How could this problem be addressed by research and how this could benefit the organization.
Please provide scholarly references.

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#### Solution Preview

1.Can you describe how research and evaluation can be used by the Veterans Administration regarding the recent issue on the extreme delays of veterans receiving medical appointments.
Research and the evaluation of the processes in place can help identify the problems and causes through data and observation methods. Research works to examine things in a structured environment with goals established and bias acknowledged. Research gives the researcher the opportunity to form hypotheses and test them dependent on the needs. Does the study ...

#### Solution Summary

This solution of 350 words provides a short review of the help research can offer to the Veterans Administration problems. It also discusses strategies on how research could benefit the Veterans Administration. References used are included.

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## Research and Evaluation: Problems 12.48, 12.50, 13.30, 13.32, 14.16

See attachment for problems

1. (a) How does correlation analysis differ from regression analysis?

(b) What does a correlation coefficient reveal?

(c) State the quick rule for a significant correlation and explain its limitations.

(d) What sums are needed to calculate a correlation coefficient?

(e) What are the two ways of testing a correlation coefficient for significance?

12.48 In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald's employees. (a) Write the fitted regression equation. (b) State the degrees of freedom for a two tailed ...
12.50 In the following regression, X = total assets (\$ billions), Y = total revenue (\$ billions), and n = 64 large banks. (a) Write the fitted regression equation. (b) State the degrees of freedom for a two tailed ...
13.30 A researcher used stepwise regression to create regression models to predict BirthRate (births per 1,000) using five predictors: LifeExp (life expectancy in years), InfMort (infant mortality rate) ...
13.32 An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Salary of each professor for each year during ...
14.16 (a) Plot the data on U.S. general aviation shipments. (b) Describe the pattern and discuss possible causes. (c) Would a fitted trend be helpful? Explain. (d) Make a similar graph for 1992-2003 only. Would a...

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