What is Growing up with Media?
• A longitudinal online survey of a representative national sample of 1,588 young people, ages 10 through 15 at baseline, who use the Internet regularly.
• “Regular Internet use” was defined as using the Internet at least once in the past 6 months from any location.
• Parents and guardians first completed a short online survey; approximately 5 minutes.
• Parents were a member of the Harris Poll Online (HPOL) opt-in panel and residents of the U.S.
• With parental consent, youth completed an online survey; approximately 25 minutes.
• Youth sample was stratified based on age and sex.
• Adult participants received $15 and youth a $20 gift certificate.
• Data were collected across three time points:

– Wave 1: August – September, 2006
– Wave 2: September – December, 2007
– Wave 3: August – December, 2008

• Data were weighted to match the U.S. Population of adults with children between the ages of 10 and 15 years.
• Propensity scoring was applied to adjust for the adult’s (i.e., recruitment target) propensity to be online and in
  HPOL.

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