Way to Safety Cellphone Blocking



Status:Completed
Healthy:No
Age Range:16 - 17
Updated:3/2/2019
Start Date:April 13, 2016
End Date:March 24, 2017

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Way to Safety: Cellphone Blocking Technology to Reduce Cellphone Use While Driving Among Teens

Research participants will be recruited to take part in a randomized control trial.
Participants' cellphone use will be observed during an initial baseline period. Participants
will then be randomly assigned to one of four conditions: education only (control), opt-in
blocking, opt-out blocking, and opt-out blocking with parental notification.

Motor vehicle crashes are the leading cause of death in teens in the United State and for
drivers aged 15-19 involved in fatal crashes, 21% of distracted drivers were distracted by
the use of cellphones. Nearly 90% of teens expect a response to a text message within 5
minutes, and the compulsion to respond is stronger for messages from close social contacts.
This suggests that behavioral-economic interventions such as immediate and frequent
incentives are needed to offset the disutility caused by not being able to communicate by
cellphone while driving. If proven to be effective, incentives could be scaled up via auto
insurance discount contributions, school programs, and parental contributions.

Inclusion Criteria:

1. High school student

2. 16 or 17 at start of the study

3. Have a valid driver's license

4. Lives in parent's/guardian's home

5. Drives to school

6. Primarily drive one car

7. Has their own iPhone 4S or newer or Android 4.3 or newer smartphone with data plan

8. Parent/guardian is willing to assist with installation

9. Admit to texting while driving >1 time in the last 30 days

Exclusion Criteria:

1. Already uses a smartphone app or hardware device to limit cellphone use while driving
We found this trial at
2
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3451 Walnut St
Philadelphia, Pennsylvania 19104
1 (215) 898-5000
Phone: 215-746-8256
Univ of Pennsylvania Penn has a long and proud tradition of intellectual rigor and pursuit...
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South 34th Street
Philadelphia, Pennsylvania 19104
 215-590-1000
Phone: 267-426-1236
Children's Hospital of Philadelphia Since its start in 1855 as the nation's first hospital devoted...
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