lee beckman wissahickon high school. the effect of the gender of elementary school students on hand...
DESCRIPTION
Does the gender of elementary school students effect their hand washing frequency and quality?TRANSCRIPT
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INDEPENDENT RESEARCH
PROJECT
Lee BeckmanWissahickon High
School
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TITLE
The Effect of the Gender of Elementary School
Students on Hand Washing Frequency and
Quality
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PROBLEM STATEMENT
Does the gender of elementary school
students effect their hand washing
frequency and quality?
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HYPOTHESIS
If the student is male, then the student will be less likely to wash their
hands with a high quality.
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HYPOTHESIS RATIONALE
It is generally believed that men have poor
hand washing habits in comparison to girls
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BASIC CONCEPTS
Human Behavioral Study
Psychology
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SAFETY PRECAUTIONS
Outside of Bathroom
Get Permission
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DESIGN DIAGRAMIV: Independent Variable – Student Gender
DV: Dependent variable – Hand Washing Frequency and Quality
CONSTANTS: Position of observation outside of the bathroom, time of the day, time of the week, same school.
Levels Male FemaleTrials 30 (Students) 30 (Students)
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MATERIALSAutomotive Transportation
Tally chartAccess to an elementary school
Stopwatch
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PROCEDURE Go to Lower Gwynedd Elementary.
Sit in hallway Observe hand washing quality
Record hand washing qualityAppropriately, Inappropriately or Not at All
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RESULTS
Hand Washing Quality
Appropriately Inappropriately
Not at All
Totals
Male (Students
)
15 8 7 30
Female (Students
)
12 15 3 30
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STATISTICAL ANALYSIS Expected:
Observed:
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STATISTICAL ANALYSIS Chi-square test for independence
.01 < P value > .05 (95% confidence)
Chi Squared Critical Value = 3.84 1 Degree of Freedom
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STATISTICAL ANALYSISNull Hypotheses
MaleIf males wash their hands at
random; there will be no significant difference in the preference.
FemaleIf females wash their hands at
random; there will be no significant difference in the preference.
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STATISTICAL ANALYSISMale Calculations
Chi Squared Value = ∑ [(Observed – Expected)^2 /
(Expected)]
[(15-10)^2/ (10)] = 2.5 [(8-10)^2/ (10)] = .4 [(7-10)^2/ (10)] = .92.5 + .4 + .9 = 3.8
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STATISTICAL ANALYSISMale Results
Chi Squared Value - 3.8 < 3.84
Less than a 5% chance that the data is random
Observations are significant Reject the null hypothesis
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STATISTICAL ANALYSISFemale CalculationsChi Squared Value =
∑ [(Observed – Expected)^2 / (Expected)]
[(12-10)^2/ (10)] = .4[(5-10)^2/ (10)] = 2.5 [(3-10)^2/ (10)] = 4.9.4 + 2.5 + 4.9 = 7.8
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STATISTICAL ANALYSISFemale Results
Chi Squared Value - 7.8 > 3.84
Greater than a 5% chance that the data is random
Observations are not significant
Accept the null
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RESULTS GRAPH
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BACKGROUND RESEARCH 15 to 30 seconds for hand
washing (Lifespan 2010)
Vigor of their hand washing (Lerner 2010)
Sufficient drying of hands Contamination by touching faucet
or wastebasket again (Carter 2008)
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SOURCES OF ERROR AND THEIR IMPACT
Age of StudentsKnowledge, Independence and
Maturity Cause of Hand washing
(Activity, Task, etc.)Likelihood of Hand Washing (By Task)
Peer Persuasion (Group Hand washing)Testing Effect of Peer Persuasion
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SOURCES OF ERROR AND IMPROVEMENTS
Age of StudentsObserve Students of Certain Age
Cause of Hand washing (Activity, Task, etc.)Observe Students Only from
Bathroom Peer Persuasion
(Group Hand washing)Observe Only Alone Students
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REAL WORLD APPLICATIONS
Address problems of hand washing tendencies at Elementary Schools.
Teach others of the proper and effective ways to hand wash.
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EXTENSIONSIf the high school student is male,
then the student will be less likely to wash their hands with a
high quality.
If the student is older, then the student will be more likely to wash their hands with a high
quality.
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ACKNOWLEDGEMENTS Mrs. Pietrangelo Mrs. West
Lower Gwynedd Elementary School Principle
Staff and StudentsOf Lower Gwynedd Elementary School
My Parents
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BIBLIOGRAPHY Carter, Pamela J. Lippincott's Textbook for Nursing Assistants: a
Humanistic Approach to Caregiving. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2008. Print.
"Designing an Observation Study." Sciencebuddies.org. Web. 06 Oct. 2010. <http://www.sciencebuddies.org/science-fair-projects/project_ideas/Soc_observation.shtml>.
"Hand Washing, Your Best Defense!" Fsu.edu. Florida State University, 2000. Web. 6 Oct. 2010. <www.safety.fsu.edu/guardian00dec.pdf>.
"Hygiene." World of Microbiology and Immunology. Ed. Brenda Wilmoth Lerner and K. Lee Lerner. Detroit: Gale, 2007. Gale Science In Context. Web. 5 Oct. 2010.
"It's In Your Hands." Lifespan. 2010. Web. 6 Oct. 2010. <http://www.lifespan.org/services/infectious/handwashing.htm>.
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ANY QUESTIONS?