INTOXICATION AND COORDINATION

RESEARCH

• Drinking causes confusion, vision distortion, double vision, and weakens depth perseption
• Consumption affects the brain by weaking connections between vision and movement areas
• Increases effects of gaba in the brain, causes slurred speech and sluggish movements
• Weakens the muscles of the eye, therefore decreasing hand-eye coordination

PROCEDURE

• Got a large enough sample: PE & Health Class
• Randomly selected to catch a ball w/ & w/o goggles
• Underhand threw a ball from 20 feet back at the students chest
• Recorded if they caught the ball or not both times
• Ran the test

DOES ALCOHOL AFFECT YOUR COORDINATION TO CATCH A BALL?

• To bring awareness to the affect of alcohol on everyday activities
• Ho: There's no difference between catching a ball without goggles and with goggles
• Ha: There's a difference between catching a ball without goggles and with goggles
• We expected to find that people wouldn't be able to catch the ball with goggles as easily.

CONDITIONS

• The students were randomly selected
• The sample was independent
• 19 students are less than 10% of the whole student body
• Success/Fail condition (next slide)

SUCCESS/FAIL CONDITION

• Goggles: np (190) is greater than or equal to 10
• nq (171) is greater than or equal to 10
• No goggles: np (304) is greater than equal to 10
• nq (57) is greater than or equal to 10
• All conditions are met therefore, a normal distribution & 2-prop z test is app.

RUNNING THE TEST

• Z= -2.0939
• P-Value: 0.0181
• 0.0181
• Reject Ho

CONCLUSION

• At the 0.05 level of significance, there is convincing evidence that there is
• a difference between catching a ball without goggles and with
• goggles.