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Mba 512 final presentation Hatim & Xiaoyu

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MBA 512 Final Presentation:

MBA 512 Final Presentation:

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  • X size is the number of people to choose 3 alternatives
  • Adjusted R2 is a modification of R2. Unlike R2, the adjusted R2 increases only if the new term improves the model.The adjusted R2 can be negative, and will always be less than or equal to R2.
  • Transcript

    • 1. Stress Management Survey Analysis
      MBA 512
      May, 5th 2010
      Hatim Ouladelhadjahmed
      &
      Xiaoyu Yang
    • 2. Topic Overview
      *Take a look at some of these recent stress statistics, courtesy of the American Psychological Association (APA Survey 2004).
      • Two thirds of Americans say they are likely to seek help for stress.
      • 54 % of Americans are concerned about the level of stress in their everyday lives.
      Having trouble coping with job stress? Check out these workplace-related stress statistics:
      • 62% of Americans say work has a significant impact on stress levels.
      • 52% are more stressed because of work than home.
      • 54% of workers are concerned about health problems caused by stress.
      • 45% of workers list job insecurity has a significant impact on work stress levels.
      • 61% of workers list heavy workloads as a significant impact on work stress levels.
      • 73% of Americans name money as the number one factor that affects their stress level.
      • One in four workers have taken a mental health day off from work to cope with stress.
      *http://www.hardcore-stress-management.com/stress-statistics.html
    • 3. What is Stress Defined?
      Stress is defined as an organism's total response to environmental demands or pressures.
      Stress in humans results from interactions between persons and their environment that are perceived as straining or exceeding their adaptive capacities and threatening their well-being.
      http://www.answers.com/topic/stress
    • 4. Background
      The survey was conducted at my work place
      In the past year, we have gone through some significant downsizing in our organization. (Through buy-outs and lay-offs)
      The result, my headcount at work was reduced by 64%
      Out of the 53 employees that remain at work, only 33 of them meet their current objectives
    • 5. Background continued
      Employees that are left, don’t feel secure in their jobs, as a result of the downsizing
      My organization is continuing on downsizing
      The employees that don’t meet their objectives have a bigger negative impact on the office results, since the headcount has decreased
    • 6. Research Question
      Would employees benefit from stress management training in the work place?
      Relevant Factors:
      Demographics
      Familiarity with Stress Management
      Identifying where the stress is coming from
      Identifying activities the employees can utilize to manage their stress
      Will stress management help employees with their stress and help them meet their performance
    • 7. Research Hypothesis
      If the company initiates stress management training in the workplace, would the employees meet their performance?
    • 8. Data Collection & Preparation
      Would employees benefit from stress management training in the work place?
      Relevant Factors:
      Demographics
      Familiarity with Stress Management
      Identifying where the stress is coming from
      Identifying activities the employees can utilize to manage their stress
      Will stress management help employees with their stress and help them meet their performance
    • 9. Survey Description
      Demographic- Questions were written to identify range of the population in the office
      Questions included were:
      Age
      Gender
      Employment Status- position held
      Family Status
    • 10. Survey Description
      Behavioral questions
      Questions were designed to see if the employees understood what is stress management and background on their stress
      Are you familiar with Stress Management or other methods of relieving stress?
      Is your stress due to: Work, outside of work or both
    • 11. Survey Description
      Opinion question
      Questions were designed to see if the employees would use stress management tools and if their performance was impacted by stress
      Do you think Stress Management is a good initiative for our company?
      When you are under pressure at work, which of the following activity helps you cope with your stress?
      Do you perform better at work when you are less stressed?
      If the following activities were made available when you are stressed, will it help with your productivity?
    • 12. Data Collection
      Target Audience- Employees at work place
      Population was 53 employees, and all 53 responded to the survey
      The decision was simple, wanted to include all employees at work location, since there were only 53 people
      We passed out 53 surveys, received 53 back. 100%
      A paper survey was provided to all employees
    • 13. Delivery Method
      Physical distribution of printed surveys
      Surveys handed to 53 associates at my work place
      Each associate completed the survey and returned to me, once completed
      Employees did not have to place their name on the survey
      Advised employees this survey was for the purpose of a school project
      Participation was voluntary and not required
      Had 100% participation from the associates. Passed 53 surveys and received 53 back
    • 14. Potential Sources of Error
      Employees may have had felt pressured to respond, since it was their boss asking them to complete it
      Employees may had answered the questions untruthfully, not knowing if there was a hidden agenda
    • 15. DATA PREPARATION
      Age
      Gender
      Employment status
      Family Status     
      Perception of SM
      Resource of Stress
      Preference of SM
      Instinctive reaction under pressure
      Relations between productivity and mood
      Relations between productivity and different way of SM
    • 16.
    • 17. Age Proportion
      60% of the respondents age ranged from 36-52. It fairly match’s the official Population Pyramid
    • 18. Gender Proportion
      Out of 53 respondents, 86% are females and 14% are males.
    • 19. Family Status
      31 of respondents are married with children.
    • 20. Employment Status
      Majority of respondents are Operator A’s
    • 21. Resource of Stress
      Most of the Stress the employees experience is coming from work. While 12 of the employees believe the main source of their stress is from outside work.
    • 22. Summary of the Data
      All surveys were completed
      60% of the respondents are in the middle-ages.
      86% of the respondents are female
      58% of them are married with children
      83% of them are operators
      60% of them think they have stress from work
      64% of the respondents, find Yoga as the best alternative to reduce their stress.
    • 23. Additional hypothesis for later testing
      Gender or Age could effect the preference of Stress Management
      Position may effect the level of Stress
      Family status should effect the source of the stress
    • 24. ANALYSIS
      We will show you 5 examples of 4 different ways we analyzed our data
      2 One-sample hypothesis testing
      1 two-sample hypothesis testing
      1 Simple Linear Regression
      1 Multiple Regression
    • 25. Efficiency of the Stress Management
      Hypothesis question: Do people prefer Stress Management more or other ways to relief your stress more?
      Survey: When you are under pressure at work, which of the following activity helps you cope with your stress?
      Method: One Sample Hypothesis Testing for proportion(n>30)
    • 26. one-sample test for proportion
    • 27. Summary of the 1SHT
      Conclusion: Most of the employees prefer Stress Management than other alternatives
      Interpretation: Instinctively, employees will choose to use different Stress Management techniques. In other words, when a company initiates Stress Management, they will get their original expectation of increasing productivity.
    • 28. Stress with Productivity
      Hypothesis question: Could people under less stress perform better?
      Survey: Do you perform better at work when you are in a good mood?
      Method: One Sample Hypothesis Testing for proportion (n>30)
    • 29. one-sample test for proportion
    • 30. Summary of the 1SHT
      Conclusion: Most of the employees will perform well under less pressure
      Interpretation: The less stress the employees have the better they will perform
    • 31. Belief of the Stress Management
      Hypothesis question: Are employees who are familiar with Stress Management believe it is an good initiative more or less than the employees who are not familiar with it?
      Survey:
      Are you familiar with Stress Management or other methods of relieving stress?
      Do you think Stress Management is a good initiative for our company?
      Method: Two Sample Hypothesis Testing for proportion (n>30)
    • 32. two-sample test for the proportion
    • 33. Summary of the 2SHT
      Conclusion: There is no difference in the belief of Stress Management between the employee who is familiar or unfamiliar with the method
      Interpretation: The employees who are familiar or unfamiliar with Stress Management, both believe Stress Management should have a positive impact on their performance
    • 34. Simple Linear Regression
      Question: Is there a relationship between the Productivity and the preference to get relief?
      Dependent (Y): Productivity level of employee under less stress
      Independent (X): Preference of the way to relieve stress
      Null: H0:b=0 Productivity has no relation with preference
      Alt: H0:b0 Productivity has a relation with preference
    • 35. Data Analysis
    • 36. Summary of Regression
      Formula: Y=-0.1X+0.62
      Interpretation: Since p-value = 0.363 > 0.05, do not reject the Null, the variable is insignificant. There is no relation between the Productivity and the preference to get stress relief.
      Conclusion: We can not predict the Productivity by the variable.
      Reliability: This model is only 2% reliable
    • 37. multiple regression
      Question: Is there a relationship between the Productivity and the ways of Stress Management?
      Dependent (Y): Productivity level of employee under “less stress”
      Independents (X): 4 different Stress Management techniques: Yoga, Exercise, Artistic Expression and SPA
      Null: H0:b=0 Productivity has no relation with techniques of Stress Management
      Alt: H0:b0 Productivity has a relation with techniques of Stress Management
    • 38. Data Analysis
    • 39. Summary for the Regression
      Formula: Y=0.01X1+0.12X2+0.02X3-0.13X4+0.6
      Interpretation: Since p-value are all greater than 0.05, the variables are insignificant. There is no relation between the Productivity and the different kinds of Stress Management techniques.
      Conclusion: We can not predict the Productivity by these 4 variables. Yoga, Exercise, Artistic Expression and SPA)
      Reliability: (0%) reliable of this model
    • 40. Reporting
      Research Question: Would employees benefit from stress management training in the work place?
    • 41. Final Conclusion
      As indicated by the hypothesis testing, the employees will definitely benefit from stress management training in the work place. As far as performance, the employees will meet it, regardless if they are familiar with stress management or not.
      We can not predict what kind of Stress Management will be the desirable selection.
      However, Stress Management is really as good as we thought previously and our survey is actually helpful.
    • 42. Do you have any recommendations?  
      Hypothesis Testing: We should had asked different questions, in order to have the opportunity to conduct different hypothesis testing.
      Regression: If we would had researched different stress management techniques, we could had been able to include them in the survey to analyze the relationships.
      Should had included a question, that would had captured the level of stress by the employees and level of productivity.
    • 43. Suggestions for future research
      The questions could had been tailored better to fit the different analysis tools at hand
      This study was trying to answer two questions: 1. for stress management and 2. for productivity. If we had to do it over, I think we would had needed to ask a couple of more questions for each; 5 relating to stress management and 5 relating to performance, on top of the 5 demographic questions.
      Would include other employees from different departments, that did not report to me, to try to eliminate potential source of error
      Try to get a more balanced respondents for gender
    • 44. Questions?

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