Anonymity in Driving Behavior - American Psychological Association
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Transcript Anonymity in Driving Behavior - American Psychological Association
Anonymity in Driving
Behavior
Shawn Bray, Zehna Gilliam and Skye Simonelli
San Diego Mesa College
San Diego, CA.
Objective
To test the effects of anonymity on driving behaviors
and to better understand which factors may
contribute to other unlawful behaviors.
HYPOTHESIS
Drivers in automobiles with tinted windows are less
likely to make a complete stop at four way stop
intersections than drivers in automobiles without
tinted windows.
KEY TERMS
KEY TERMS
Observational Study: Researchers observe behaviors under the
conditions in which they naturally occur
Anonymity: The quality or state of being unknown
Disinhibition: A lack of restraint caused by outside factor such as
drugs, alcohol, or rioting
Anti-Social Behavior: A person has a long-term pattern of
manipulating, exploiting, or violating the rights of others
Literature Review
Literature Review
Zimbardo’s (1969) famous electric shock study on the
relationship between anonymity and immoral
behavior.
Ed Diener’s (1976) Halloween study on the effects of
being less identifiable by personal information.
Andrew Silke’s (2003) analysis of attacks in Northern
Ireland, anonymous criminals committed more violent
attacks.
Literature Review
Singer’s (1965) study on less identifiable people being
more likely to conform in the Asch (1951) situation.
According to Zhong & others (2010), “Even dimmed
lighting or wearing sunglasses increases people’s
perceived anonymity, and thus their willingness to
cheat or behave selfishly.”
Patricia Ellison’s (1995) test on anonymity’s effect
upon incivility amongst drivers.
Methods
Methods
Observational Study
inconspicuous and unobtrusive
n = 400
200 tinted cars
200 un-tinted cars
3 different data collection locations
Random sample and representative
Must make a complete 3 second stop
Methods
Only cars approaching from the North and South directions
Tally in corresponding section of “Stopped/No Stop” and “Tint/NoTint” section of observation chart
One researcher at each separate location
Selected data collection start time
Every other car observed
Car must have back tires behind limit line
Materials Used
Stopped
Tint
No
Tint
I
No Stop
III
IIII
II
Inclusion Criteria
One researcher at each separate location
Selected data collection start time
Every other car observed
Car must have back tires behind limit line
Observational Definitions and Chart
Observational Definitions:
Stopped
Tint/Stop: TS
Tint/No Stop: TNS
Tint
No Stop
I
III
IIII
II
No-Tint/Stop: NS
No-Tint/No Stop: NN
No Tint
Observational Location: one
Oceanside, CA – 2:30-3:30pm
Observational Location: two
Encanto, CA – 5:30-7:30pm
Observational location: three
University City, CA – 11:30-1:30pm
Exclusion Criteria
Partially rolled down windows
Completely rolled down windows
Automobiles without doors
Convertibles
Cars yielding to pedestrians
Results
Tint
No
Tint
•Stop: 70
•No Stop: 130
Stop: 165
No Stop: 235
•Stop: 95
•No Stop: 105
Results
Tinted Windows:
35% did make complete stop
65% did not make a complete stop
Un-Tinted Windows:
47.5% did make complete stop
52.5% did not make a complete stop
Results
Tinted Windows
Un-Tinted Windows
Stop: 35%
Stop: 49%
NO Stop: 65%
NO Stop: 54%
All Cars
Stop: 41%
NO Stop: 59%
DISCUSSION
Discussion
We supported our hypothesis that drivers of car with tinted windows
are less likely to make a complete stop at an intersection.
We failed to reject our alternative hypothesis.
We have acknowledged that the intent of reckless drivers may not be
malicious.
Some confounding variables we found:
Degree of window tint
Contrast in obedience in different socioeconomic areas
Discussion
Other future studies will include relationships between window
tint and:
Medical conditions
Safety concerns
Style preference
Overall, we realize that while Deindividuation may not be the
cause of getting window tint it is, however, the result.
References
Anonymity. (2009). In The American Heritage Dictionary of the English Language, Fourth
Edition. Retrieved from http://www.thefreedictionary.com/anonymity
Berkowitz, L. Some determinants of impulsive aggression: Role of mediated
associations with reinforcements for aggression. Psychological Review, 1974,
81, 165-176.
Blais MA, Smallwood P, Groves JE, Rivas-Vazquez RA. Personality and personality
disorders. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL,
eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st
ed. Philadelphia, PA: Elsevier Mosby; 2008: chap 39.
References
Disinhibition. (n.d.). In Collins English Dictionary - Complete & Unabridged 10th
Edition. Retrieved from http://www.thefreedictionary.com/anonymity
Festinger, L., Pepitone, A., & Newcomb, T. (1952). Some consequences of
deindividuation in a group. Journal of Abnormal & Social Psychology, 47,
382-389.
Johnson, R. D., & Downing, L. L. (1979). Deindividuation and valence of cues: Effects
on
prosocial and antisocial behavior. Journal Of Personality And Social
Psychology, 37(9), 1532-1538. doi: 10.1037/0022-3514.37.9.1532.
Li, Brian, "The Theories of Deindividuation" (2010). CMC Senior Theses. Paper 12.
http://scholarship.claremont.edu/cmc_theses/12
Myers, D. G. (2013). Social Psychology (11th ed.). New York: McGraw-Hill.
References
Observational Study. (2014). In Stat Trek. Retrieved from
http://stattrek.com/statistics/dictionary.aspx?definition=observational_study
Singer, J.E., Brush, C.A., and Lublin, S.C. (1965). Some aspects of Deindividuation:
Identification and Conformity. Journal of Experimental and Social
Psychology, 1, 356-378.
Zimbardo, P. G. The human choice: Individuation, reason and order versus
deindividuation, impulse, and chaos. In W. J. Arnold, & D. Levinc (Eds.),
Nebraska Symposium on Motivation (Vol. 18). Lincoln: University of Nebraska
Press, 1970.
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