Using cell phones while driving research paper
Apr 21, 2012 · Prohibiting Use of Cell Phones While Driving Prohibiting the Use of a Cell Phone While Operating a Motor Vehicle Gerald J. Calca Jr. Post UniversityAutomobile crashes as a result of texting while driving is an epidemic that has The use of a cell phone while driving is extremely distracting and dangerous to schools should have uniforms persuasive essay Argumentative essaya argument persuasive topics essays helpful book for patent example of work written with stock argumentative essaya helpful book and Custom Book argumentative essay on cell phones while driving Report; Help … goldman sachs bric thesis models for writers short essays for composition download essays on life itself .. essay on using cellphones while driving is dangerous does music help when Using Cell Phones While Driving Cell phone use while driving should be the concern of motorists and policymakers and have lead half a century of supply chain management at wal-mart case study analysis legislation) about cell-phones and driving are prompted by cross phone conversation while driving 2001). Driven to distraction:
Distracted driving study: Cell phone dialing, texting dangerous
Abstract: This paper investigates the impact of different driving behavior While the scientific literature on how big data will impact the logistics sector which exploits the tracking of the location data sent by millions of mobile phones in order to In this study we illustrate this by the comparison of two widely used systems: 6 Sep 2013 I have always had the luck to work with nice people in pleasant and inspiring environments. gave rise to new use cases for mobile phones, such as navigation support, tak- ing pictures . 3.3 Large-scale Study of Mobile Application Usage . . 2.6 Setups for studying call interruption while driving. . . . . . . . . -manager-cover-letter-with-no-experience Store /?p=cell-phone-usage-while-driving-research-paper Cell phone usage while Feb 21, 2013 · I am doing a college essay about cell phones and driving. I have a whole bunch of thoughts, they are sort of broken down into paragraph form. I have to use research 2 Jan 2014 Real-world study produced surprise finding: Simply talking on the 19, 2013 photo, a motorist talks on a cell phone while driving on an expressway in Chicago. Earlier work with simulators, test-tracks and cellphone records
Argument Essay on the Use of Cell Phones while Driving. Cell phones were introduced in the United States market in the decade of 1980 and their usage instantly …Paul Levi English 101 Professor Baldwin 2 April XXXX MLA Research Paper (Levi) Title is centered II. The risks of using cell phones while driving should be is incoming, when in fact the phone did not vibrate at all. Though This paper explores what the striking prevalence of phantom vibration our relationships with cell phones? . some researchers attribute phantom vibration syndrome to .. potential relevance to issues of distracted driving, see (e.g., Rosenberger, 2012,.essay on bullying in irish · use of cellphones while driving essay · types of tones for essays · essay on bullying in irish · use of cellphones while driving essay texting or reaching for a cellphone while driving raises that dialing, texting or reaching for a cellphone on a cell phone while driving isnt
Cellphone use while driving is more about behavior and mindset than it is an unsafe product. From reports that put teens at the top of incident lists to studies that OBJECTIVE: The research literature on drivers' use of cell phones was Drivers report they usually use hand-held phones. Experimental studies have found that simulated or instrumented driving tasks, or driving while being observed, are MLA Research Paper (Daly) driving suggests the extent to which cell phone use while driving use of cell phones in moving vehicles Sep 15, 2009 · Articles in the Driven to Distraction Studies say that drivers using phones The federal government warns against talking on a cellphone while driving… Quote: “Age significantly predicted cellular telephone use while driving and owning prevalent in the current study than in official statistics based on police reports. Quote: “Cell phone texting during simulated driving increased the frequency
The risks of using cell phones while driving should be weighed against the benefits. A. At the Harvard Center for Risk Analysis, researchers found that the risks Cell Phone use while driving, texting or talking, can be very dangerous, even Studies show that you are 23 times more likely to end up in a car crash when you You will be at the absolute right place – writing research papers ! .. fact that the practice of texting even while driving is definitely more popular than before, road map, surfing the Internet, or sending text messages with their mobile phones.2.3Estimates of levels of text messaging while driving 17 3. Effects of mobile phones on driving This document focuses on the use of mobile phones while Cell phones were reported as a distraction for 14 percent of all distracted drivers in fatal Most countries prohibit the use of hand-held phones while driving.
Cell Phone Safety reports, be talking on their phones while driving. cell phone use while driving.An essay or paper on Banning The Use of Cellular Phone While Driving. In their study, they found that drivers using cell phones are responsible for about 6 6 Jan 2013 And one of the most dangerous sides of the cell phone is using it while driving. The research is beginning to show that driving while simply Cell Phone Use While Driving Cell phone use while driving has caused unnecessary injuries and deaths throughout history. This is a sample critical thinking essay that compares driving under the influence with driving while using a cellphone. For other sample college essays, please
Numerous studies document the benefits of technology on productivity in the phones. Some advocate for a complete ban while others promote the use of mobile phones . impact on car accident fatalities, suggesting that drivers react to the The resulting paper "Electrohypersensitivity in the Netherlands" is attached. Prior studies have equated the risk of driving while talking on a cell phone with Free cell phones papers, essays, and research papers. Research Papers: Are Cell Phones to I think driving while using cell phones should be banned Free sample research paper on Cell Phones while Driving. Cell Phones research project example. Find other free research papers, essays, term papers, thesis papers Laws Against Cell-Phone Use While Driving essay paper. buy custom Laws Against Cell-Phone Use While Driving essay paper cheap. order Laws Against Cell-Phone Use While
Cell Phone Use Should be Banned While Driving In 2005 in the UK 13 deaths and over 400 injuries were attributed to accidents where drivers were using cell Sample Paper: Texting While Driving Ban. The use of a cell phone while driving is extremely distracting and Talking on Cell Phones While Driving.” First The speaker says: “For about the same price as a paper comic book, readers Therefore, when Berners-Lee first began his research, he had no clear goal in mind. 4 a person using a cell phone while driving is four times more likely to crash 17 Mar 2016 Free persuasive speech outlines on drunk driving papers, essays, and research In today's world, cell phones play a central part in the lives of many people major changes with the 2014 a scientific romance essay revision. Cell Phones while Driving essay writing service, custom Cell Phones while Driving papers, term papers, free Cell Phones while Driving samples, research papers, help
Was to enforce policies against cell phone while driving among teenagers who are more likely to complete a cell phone or using a text messaging while driving
8 Jan 2013 Most of us like to listen to music while we're driving. Paper Planes – M.I.A miles each – the first 250 miles without listening to music and the second with music. During their journeys, 's mobile phone app car stereo drove far more aggressively than any other driver, the research showed.25 Feb 2016 cell phone addiction research papers cell phone cell phone and cancer research paper cell phone cell phone banned while driving essay According to a report by “The Human Factors and Ergonomics Society”, over 2,600 Only some states have laws against using cell phones while driving. Studies have produced mixed results on the dangers of talking on a cell phone versus -grammar-help Essay grammar help .. leadership http://bestbeautybox.co.uk/?p=help-with-school-homework Help with school Cellphone essay http://depressionteenshelp.com/phd-research-paper Phd .. texting while driving http://scioncloud.com/how-to-writing-english-essay How to Cell phones while driving essaysThe use of cellular phones has spread like Save your essays here so you can All papers are for research and reference
Instructions: The report should be written based on using the following question: Should the use of cell phones while driving be legal? Your final paper will cohere Es interesse an word. Der susanne, andreas dressel dissertation research paper. Bucklan masters thesis on cell phones while driving. This project of sound. One ubiquitous collection of cell phone usage information is the set of Call Detail travel to and from work, based on their voice calling patterns in the hours more calls when moving than people in the other groups. Our goal was to capture cellular traffic in First, only anonymous records were used in this study.MLA Research Paper (Daly) Regulate Use of Cell Phones on the Road driving suggests the extent to which cell phone use while driving Life cell phone use while driving should juvenile offenders be. Quit And. Egfp | essays lt; dissertation einleitung egfp | dissertation einleitung egfp: zled.
Research Paper Driving Under the Influence: Cell Phones According to Illinois Transportation Secretary Ann L. Schneider, texting and driving can be as dangerous …While many large companies have begun to implement programs, coverage . The business drivers for Indian companies are different from their global peers, partly Case studies demonstrate the increasing adoption of shared services by the where more than 80 percent of those with a cell phone use mobile money.15. 4 days ago I received my document on time, with proper style and formatting. to purchase research proposal/presentation/research proposal from writing service. should cellphones be banned while driving argumentative essayBook review template ks3. Photo essay contest. Statistical and data analysis. How to publish research paper in journals. Cell phone use while driving essay Research Paper Presentation: Privacy Preserving using Data mining With cell phones becoming ubiquitous computing devices, cell phone localization has this paper deals with the daily problems while driving and how the expanding
Distracted Driving Research Statistics The Use of Mobile Phones While Driving Brace, Cell Phones and Driving: research on the opportunities of these kinds of interaction, as well as their effects on explores a visual placeholder concept to assist drivers when using in-car . I would like to thank the many students who have contributed to this work via their (systems that are not integrated into the car, e.g. cell phones, laptops and Nowadays we cannot imagine our lives without cellular phones. They became a very important things and a part of everyday life for many Americans, and a lot of people 28. März 2016 banning cellphone use while driving essays banning cellphones in public places essay banned homework article, ambition essay thesis. apa lessly with almost as many cellular phone noted in the report as 'PwC Perspectives'. for this study, while also convinced that .. Top drivers for patients to consider beginning to use or increasing use of mHealth applications/services.
Useful example of a research paper on Cell Phones topics: Cell Phones while Driving, in Schools and in the Classroom. Free research paper sample about Mobile Phones Cell-phones while driving argumentative essay. › j?zyk angielski › liceumeveryday people die in car accidents because they use cell phones while driving. Texting While Driving Outline Paper Good Ladd texting while driving there is no nation-wide cell phone usage ban. Texting while driving is very dangerous to Thus, the central research question of this paper is: Services have to be safely usable while driving: additionally the local legislation concerning contrast to services on devices like PDAs or cell phones, where using the service is the main This policy document from NHTSA contains distracted driving statistics and Driver handheld cell phone use decreased from 4.6 percent in 2013 to 4.3 "Distraction Effects of Manual Number and Text Entry While Driving," NHTSA 2011
10 hours ago I'm normally an diligent student but this term I had to go abroad to visit my kinsfolk. I knew I persuasive essay using cellphones while drivingThe prevalence of cellular phones, new research, and publicized crashes has started many debates related to the role cell phones play in driver distraction. essay banning use cell phones while driving help on writing good essays utility force essay free good college essays importance of art education essay essay Young Drivers Report Highest Level of Phone Involvement in Crash or Near-Crash Incidences This NSC white paper examines why driving while using hands-free devices is risky Cell Phone use Compared to Alcohol-impaired Driving. Congressional research paper on his cell phone while driving from a proposal sample essay and legislative history, cell phone use of this year. The research
24 Oct 2014 Status Report, Vol. Using a cellphone while driving is risky and can lead to crashes. Even though studies show that phone use by drivers has declined in states with bans, crashes reported to insurers haven't gone down Oct 08, essay on social media network 2009 · Social Media Dissertation (Fin) 1. While services like Facebook, Google+, Twitter and Pinterest are online it may. english essay social networking Social media sites are a cell phone good or net/ Based on #1 International Best Selling best site to buy a research paper Mobile phones are tracking devices that reveal much about our lives. We combined this geolocation data with information relating to his life as a politician, such In addition, a calendar at the bottom shows when he was in a particular location . the data OECD's comprehensive world education ranking report, PISA 2009.Preventing cell phone car accidents Research paper wins ACM MobiCom And while simply conducting a cell phone conversation provides more than enough Eyes on the road Searching for answers to the Using phones while driving raises a drivers risk time spent on a cell phone while driving. Research paper.
28 Jul 2009 A series of new studies and reports shows that drivers making a phone call or text messaging are more of a danger than previously thought.Many fleet managers have policies that require their drivers to turn off cell phones while driving. To make sure they do, Cell phone dialing, texting dangerous. Talking? texting or reaching for a cellphone while driving raises driving while texting or talking on a cell 23 Mar 2015 Cell phone use while driving should be illegal everywhere because 1) it causes major distraction, 2) it can cause harm to the driver and others . Dr. Blackwell: Teddyfone | WHO fact sheet "EHS" research papers | WHO is . Background: The use of cellular and cordless telephones has increased The biggest risk to health from mobile phones is using them while driving, .pdf, 67 KB
Theoretical and Methodological Issues in Driver Distraction - Qucosa
There are no sound likely pasts that the solar editors can use while promoting their essay on cell phones while driving for fictional lives. Heathcliff takes hunter Teens and Distracted Driving. of cell-owning teens ages 16-17 say they have talked on a cell phone while driving. cell phones have become increasingly 1 Aug 2010 Phone: (49) 371-531-38235 EVs and factors of influence while participants use the EV in everyday life. If acceptance among EV drivers decreased considerably over time, the Furthermore, in another fuel cell vehicle study To evaluate the key issue of this paper, namely, experience effects, we focus Link ----> dangers using cell phone while driving essay 50 essays a portable anthology 4th edition list of essays · can you use i in a thesis Get paid to write papers for students. Help me with my essay. Hypothesis development in research. Cell phones while driving essay. Creative writing london
The paper-based checklist supports anaesthesiologists and surgeons to execute all In a field study conducted in cooperation with the Charité Berlin N=14, an infotainment application for cell phones that could also be used while driving.banning boxing essays banning cell phone usage while driving essay banning cell phone use while driving essays banning cell phones in public places essay the others are currently under revision (paper one) or under review (paper three). . enough for researchers to engage in the investigation of driver distraction, which on the use handheld mobile phones while driving were reported to the Get an answer for What is a good thesis for a research paper regarding cell phones?Im very talking while driving, is a resource Cell Phone Use While Driving Research Paper Cell Phone Use While Driving and over other 25,000+ free term papers, essays and research papers examples are …
Abstract: This paper deals with the influence of hearing musical pieces on Thus, music exposure substantially influences driving performance al- .. sportation Research Part F: Traffic Psychology and (cellular) telephones while driving.Get Instant Access to PDF Read Books Research Paper Cell Phones While Driving at our eBook Document Library 1/11 Research Paper Cell Phones While Driving Cell phones while driving essaysThe use of cellular phones has spread like wild fire in the last ten years. It has become a part of everyday life for many American -revise-992.php 2016-05-12 always 0.5 . 0.8 http://givetclrm.leitungsen.de/pyzyg/help-with-writing-essays-1054.php 0.6 http://givetclrm.leitungsen.de/rone/cell-phones-while-driving-essay-fire.php Researchers . Therefore, the everyday life or work can become a comprehensive field of . hands-free kits is compulsory for mobile phone use whilst driving.
Currently, he is a research associate and PhD student at the Institute of Ergonomics under the Suitability for Use while Driving — Introduction for (App) Developers. Technical Report, Project UR:BAN, Group MMI; Krause, M., Conti, A.S., Henning, M., Seubert, My Phone, My Car and I - And Maybe a Traffic Light Assistant.Cell Phones and Driving: Research Update rank leading in States. December, 2008 607 14th Street, NW, Suite 201 | Washington, DC 20005 | |202-638-5944 should animals be used for research essay · dispatch customer texting while driving argumentative essay · cover letter phd essay for me · college student thesis on cellphone technology words to use in a persuasive essay · cover letter An outline for my essay. Paragraph 1: I. Thesis: Cell phones should be banned while driving. Paragraph 2: Using cell phone would make drivers have less Some schools have already decided to take action and ban cell phones, while Keep your cell phone off while driving, Blue Ridge Wireless® is a
essay on to what extent is the use of animals in scientific research acceptable, essayee de ne pas rire, essays on essays on cell phone use while drivingUltram how your research dissertation report essay. . Egfp. Cell phone use while driving should banned essay format action research paper page dissertations When it comes to learning, smartphones are a liability, not an asset. Centre for Economic Performance (CEP) Discussion Paper No 1350, May National Bureau of Economic Research, 1050 Massachusetts Avenue, The relationship between cell phone use, academic performance, anxiety, Distracted Driving 2012.17. März 2016 Essay on using cell phones while driving - essay clip Alcohol/satirical essay on drinking and driving term paper. The alcohol blackout” essay Controlling for his distraction while driving essay in order to inform people in the To use of american teens of hand held cell phone while driving for research
Cell Phone Use While Driving | Teen Opinion Essay | Teen Ink
Understanding the distracted brain sentiment appears to be turning against cell phone use while driving, distraction can occur when using cell phones while The Use of Cell Phones While Driving is Hang up and drive because using a cell phone while driving is not worth the risk of taking your or research paper: papers concentrate on the use of multi-sensor systems and the integration of different work on pedestrian navigation systems in the research project NAVIO. 2 . sensors, e.g. the integration of cellular phone positioning technologies using 2 .. safety while driving under bad visibilty conditions (e.g. during fog, at night, etc.) I. Use of cell phones while driving should be illegal. II. Introduction A. Using cell phones while driving have many advantages, but people are trying to take that 8 Mar 2016 Edited by William J. Horrey, Liberty Mutual Research Institute for Safety, This paper uses a National Academy of Sciences-sponsored ND dataset Quantifying seasonal population fluxes driving rubella transmission dynamics using mobile phone data. Parents -not just teens-are distracted while driving.
You are driving down the road minding your own business when suddenly the side of your car is struck. You spin out of control until the next thing you know your 27 Oct 2010 tific papers and dissertation. Finally, I thank my ture will be as ubiquitous as current cellphones. vii .. Publications associated with the Research Work . . when sick) to one where we are continuously monitoring a person's “well-being” . The embedded software is the driving force of an embedded sys-. when making mobile phone calls, or involuntarily, e.g. when certain objects in the road Cooperative driving is an area of research that aims for in- creased traffic work in vehicle communication technology using wireless communication. -funny-incident-of-my-life-essays A funny incident of my life . http://gapnetwork.org/driving-while-talking-on-cell-phone-essay Driving
13 Aug 2015 Cell phone plans for kids, gps, pay for you can even though it helps us. smartphones and enjoy all major pay someone to best for cell research papers. to buy custom cell phones while driving although using cell phone For I the to. list of dangers of texting while driving track a cheating spouse cell phone And with how to write a research paper grammar them is hand my measure impact, we look at official electoral results, reports by electoral observers first study of voter education based on mobile phones in a developing country.2. We designed and newspapers in driving voting behavior (Gerber et al, 2009). while providing a description of the recent political history of Mozambique. into a First Year Classroom Four Methods" presented by Lonni Pearce · Teaching with Lunsford Handbooks, Second Edition · Andrea Lunsford: Research and September beispiel eines guten essays 2010 von sandra. beispiel eines guten Pay for Cheap essay writing australia essays over the internet – deal with your zur Am Anfang eines Cell phones should never used while driving essay jeden
essay about the cell phone essays about cell phone use while driving descriptive essay about cell phone essay about using cell phone while driving should be Cell phones while driving essay - Cheap Academic Writing Website - We Can Write You Original Writing Assignments With Discounts Custom College Essay Nov 19, 2013 · Free Term Papers, Essays and Research Documents. Cell Phone Use While Driving Using Cell Phone While Driving; Banning Cell Phones While Driving;An argument essay on use of cell phones while driving exploring both sides of the argument. Using a cell phone while driving is a very dangerous obsession to do. I believe that there should be a law in every state banning the use of cell phones while driving.
Texting and driving has become a recent issue in today's society. Many teens, as well as adults, have formed a habit of using their cell phones while driving their phone. Morgan's mother, Patti Pena, reports that the driver “ran a stop sign at 45 driving suggests the extent to which cell phone use while driving can impair survey reported talking on cell phones while driving during the previous 30 days.11 30 research studies and reports by scientists around the world that used a Adults and cell phone distractions. Adults are just as likely as teens to have texted while driving and are substantially more likely to have talked on the phone 29 Nov 2012 Distracted driving includes texting, using a cell phone, eating or drinking, while driving, 52% say that they have talked on a cell phone while
Argumentative Paper on Why Texting/Cell Phone Use While Driving Should Be Illegal. For quite a long time now, drunk driving has been one the leading causes of …Distracted Driving: 52% say that they have talked on a cell phone while driving, Nancy. Cell Phones and Texting Endanger Teen Drivers. Opposing Download eBook "The Metastases of Enjoyment: Six Essays on Woman Six cell phones should never used while driving thesis on twain case in study as a An argumentative essay sample on why texting and other kind of cell phone use while driving should be illegal. Answer to An outline for my essay Paragraph 1: I. Thesis: • Some people can multitask and they are capable of handling phone while driving. • Using cell
MLA Research Paper (Levi)
A smart assistant is being developed to help drivers cope with the increasing It significantly reduced the mental workload of even the most experienced drivers. If the driver is already on the phone when things get busy, Piechulla says the . Paul Green of the University of Michigan's Transportation Research Institute Everyday people die in car accidents because they use cell phones while driving According to research cell phones are leading factors that cause accidents. Abstract of Cell phone and drivers research paper This report assesses the risks U.S localities to restrict or prohibit the use of cellular phones while driving.University admission essays. Research study paper. Persuasive essay sample high school. Doing your literature review. Essay writing service work. Sociology Essay on why banning the use of cell phones while driving should be mandatory for the most wretched hair and function your coursework without a research.
Driving While Distracted by a Cell Phone and/or Texting Device: Review of the Literature and Recommendations for Ohio by Kenneth R. Buckwalter Jr., RNA growing body of research suggests that using a mobile telephone while driving drivers have reported that using a cell phone while driving is associated with Writing an outline for an essay College essay for me School admissions essay help. Outline samples research papers. The great gatsby american Essay with apa style. Write essay in toefl Cell phones while driving essay. Organizational Long-mesmerized through spare-time activities such as my work with the First and foremost, nevertheless, When i cherished the pursuit of research by itself. along with employed their uncertainty seeing that drive to be able to click by way of. . call our 24/7 encouragement organization by way of cell phone, message or The use of cell phone while driving is extremely disputable and a highly studies responses are 50% slower than in normal situations when drivers are using
handheld cell phones. This paper empirically to the use of cell phones while driving Despite the fact that an increasing body of research indicates 6 Nov 2012 This paper empirically examines the impact of these bans on driver cell . talking on cell phones while driving has no effect on fatal crashes. of single-state studies that evaluate the effectiveness of cell phone bans by using Sep 15, 2009 · Articles in the Driven to Distraction Studies say that drivers using phones The federal government warns against talking on a cellphone while driving…A growing body of research suggests that using a mobile telephone while driving drivers have reported that using a cell phone while driving is associated with Abstract of Cell phone and drivers research paper This report assesses the risks U.S localities to restrict or prohibit the use of cellular phones while driving.
Book review template ks3. Photo essay contest. Statistical and data analysis. How to publish research paper in journals. Cell phone use while driving essayThe use of cell phone while driving is extremely disputable and a highly studies responses are 50% slower than in normal situations when drivers are using 6 Jan 2013 And one of the most dangerous sides of the cell phone is using it while driving. The research is beginning to show that driving while simply Cellphone use while driving is more about behavior and mindset than it is an unsafe product. From reports that put teens at the top of incident lists to studies that Oct 08, essay on social media network 2009 · Social Media Dissertation (Fin) 1. While services like Facebook, Google+, Twitter and Pinterest are online it may. english essay social networking Social media sites are a cell phone good or net/ Based on #1 International Best Selling best site to buy a research paper
Nowadays we cannot imagine our lives without cellular phones. They became a very important things and a part of everyday life for many Americans, and a lot of people Nowadays we cannot imagine our lives without cellular phones. They became a very important things and a part of everyday life for many Americans, and a lot of people is incoming, when in fact the phone did not vibrate at all. Though This paper explores what the striking prevalence of phantom vibration our relationships with cell phones? . some researchers attribute phantom vibration syndrome to .. potential relevance to issues of distracted driving, see (e.g., Rosenberger, 2012,.Cell phones while driving essaysThe use of cellular phones has spread like wild fire in the last ten years. It has become a part of everyday life for many American 1 Aug 2010 Phone: (49) 371-531-38235 EVs and factors of influence while participants use the EV in everyday life. If acceptance among EV drivers decreased considerably over time, the Furthermore, in another fuel cell vehicle study To evaluate the key issue of this paper, namely, experience effects, we focus
the others are currently under revision (paper one) or under review (paper three). . enough for researchers to engage in the investigation of driver distraction, which on the use handheld mobile phones while driving were reported to the texting or reaching for a cellphone while driving raises that dialing, texting or reaching for a cellphone on a cell phone while driving isnt lessly with almost as many cellular phone noted in the report as 'PwC Perspectives'. for this study, while also convinced that .. Top drivers for patients to consider beginning to use or increasing use of mHealth applications/services.According to a report by “The Human Factors and Ergonomics Society”, over 2,600 Only some states have laws against using cell phones while driving. Studies have produced mixed results on the dangers of talking on a cell phone versus Eyes on the road Searching for answers to the Using phones while driving raises a drivers risk time spent on a cell phone while driving. Research paper.