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Abstract Group Participation

Abstract Group Participation. Hypothesis. There is a direct relationship to the amount of sleep a student gets and their grade point average The more sleep one gets the better their G.P.A will be. Issues….

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Abstract Group Participation

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  1. Abstract • Group Participation

  2. Hypothesis • There is a direct relationship to the amount of sleep a student gets and their grade point average • The more sleep one gets the better their G.P.A will be. Jooyoung Kim

  3. Issues… • Multiple factors conflicting with results… - Sleep Hours… naps or night? - Moral Issue… lying about GPA? - GPA… accumulative or last semester GPA? - When Hours Slept… last year or current year? - Majors… degree of difficulties Jooyoung Kim

  4. Overview of Results • Students who slept… - 2.0 to 5.5 hrshad GPA between 2.51 to 3.32 - 6 hours to 8.5 hrs had GPA between 3.2 to 3.31 - for 9-10.5 hourshad GPA between 3.65 and 4.0 Jooyoung Kim

  5. Exceptions to Results • People who average… - 2 hours of sleep had a G.P.A of 3.8 - 3 hours of sleep had a G.P.A of 3.33- 9 hours of sleep had a G.P.A of 3.04 Jooyoung Kim

  6. Introduction

  7. Why Sleep At All? • During sleep your body recharges. Your brain produces the special biochemical and physiological changes that restore and recharge your body for the next day. Ethan Binder

  8. Poor Sleep can lead to: • Increased tension • Irritability • Depression • Confusion • Lower life satisfaction Ethan Binder

  9. Is Sleeping Consistency Important? You Bet’cha • Students that sleep 8 hours nightly but shift their sleep-wake cycle by 2 hours experience increased feelings of depression and difficulty concentrating Ethan Binder

  10. Other Studies • Show that students don’t always connect poor sleep with academics. • External sources get blamed, “I don’t know why I bombed that test, I studied all night” Ethan Binder

  11. REM Sleep • There have been reports that students who demonstrated a significant increase in REM sleep following an intensive learning period performed significantly better on examinations. Ethan Binder

  12. When Asleep, your brain is at Rest? (True or False) False How Much Do You Know about Sleep? Ethan Binder

  13. Resting in bed is the same as sleeping? (True or False) False How Much Do You Know about Sleep? Ethan Binder

  14. Studying extra late at night will help you do better on a test. (true or false False. When you are sleep deprived you memory’s affected and you’ll have more trouble recalling recently learned information than if you had a good night’s sleep. More Questions (Yeah) Ethan Binder

  15. On to the next presenter Ethan Binder

  16. Experimental Procedures • Results

  17. WARNING! …you can’t just ask anyone Conditions Undergraduate students Students who do not work Full-time students (12+ units per semester) Objective 4 group members; each submitting results from 50 different interviews. Average amount of sleep in hours per night and currentGPA were obtained from each interview. Experimental Procedures Elika Sakazaki

  18. Data to be plotted on a spreadsheet and calibrated in order of increasing hours of sleep along with its GPA. (Example on right). Experimental Procedures Elika Sakazaki

  19. Find the Average GPA for similar average hours of sleep. (Example on right) Experimental Procedures Elika Sakazaki

  20. Graph data with Average hours of sleep on the x-axis (independent variable) and Average GPA on the y-axis (dependent variable) (Example on right) Experimental Procedures Elika Sakazaki

  21. Add TREND-LINE. Right click on data point and add trend-line. Used to help interpret data. (Example on right) Experimental Procedures Elika Sakazaki

  22. Results • The trend-line shows a gradual increase in GPA as a person increases their average amount of sleep per night. Students who slept: • 2.0 to 5.5 hrshad an average GPA between 2.51 to 3.32 • 6 to 8.5 hrs had GPA between 3.2 to 3.31 • 9 to 10.5 hourshad GPA between 3.65 to 4.0 Elika Sakazaki

  23. Getting tired yet? On to next presenter…

  24. Discussion

  25. In Conclusion... • What we wanted to do:- find relationship between GPA and avg. hours of sleep per night • How we did it:Questioned 200 U of A students who were… - undergraduates - without jobs - full time students (at least 12 units) Marilyn Green

  26. What we found: • Some what positive linear graph of average hours of sleep vs. average GPA • values that threw off data -examples: 3.8 GPA student with 2hrs of sleep Marilyn Green

  27. We neither accept or reject our hypothesis because... • Other factors can affect GPA- students who have children- student’s suffering from depression- student’s suffering from loved one’s death- relationships- student’s who use alcohol or drugs extensively Marilyn Green

  28. Places for error • Students may have stretched the truth for whatever reason and lied about their actual GPA or amount of sleep Marilyn Green

  29. Future Experiments • This experiment could be better explored if we: • apply it to graduate students because…they are interested in the field they are studyingmore apt to work harder • address the many other factors that affect GPA Marilyn Green

  30. References • Biology 182 Lab Manual, Kaspari, Vleck, et al, 2002 • Buboltz, C. Walter, et al, “Sleep Habits and Patterns of College Students: A Preliminary Study.” Journal of American College Health. Vol. 50, No.3. Marilyn Green

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