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  2. Sexting - Wikipedia

    en.wikipedia.org/wiki/Sexting

    Sexting is a prevalent and normalized practice among youth in many western, liberal democracies. [ 14] Many couples engage in sexting. In a 2011 study, 54% of the sample had sent explicit pictures or videos to their partners at least once, and one third of their sample had engaged in such activities occasionally.

  3. Youth Internet Safety Survey - Wikipedia

    en.wikipedia.org/wiki/Youth_Internet_Safety_Survey

    The Youth Internet Safety Survey was a series of two surveys conducted in the United States in 1999 and 2004. The National Center for Missing & Exploited Children (NCMEC) provided funding to Dr. David Finkelhor, Director of the Crimes Against Children Research Center at the University of New Hampshire, to conduct a research survey in 1999 on Internet victimization of youth.

  4. National Longitudinal Surveys - Wikipedia

    en.wikipedia.org/wiki/National_Longitudinal_Surveys

    The National Longitudinal Surveys of Young Women and Mature Women (NLSW) comprised two separate surveys. The Young Women's survey began in 1968 with 5,159 women born in 1943-53 (ages 14–24 in 1968). Sample members were interviewed 22 times from 1968 to 2003. The final interview in 2003 was conducted with 2,857 women ages 49–59.

  5. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    The word "lol" sent via iMessage. Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, desktops / laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also be ...

  6. Sampling (statistics) - Wikipedia

    en.wikipedia.org/wiki/Sampling_(statistics)

    A visual representation of the sampling process. In statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. The subset is meant to reflect the whole ...

  7. Survey sampling - Wikipedia

    en.wikipedia.org/wiki/Survey_sampling

    The purpose of sampling is to reduce the cost and/or the amount of work that it would take to survey the entire target population. A survey that measures the entire target population is called a census. A sample refers to a group or section of a population from which information is to be obtained. Survey samples can be broadly divided into two ...

  8. SQ3R - Wikipedia

    en.wikipedia.org/wiki/SQ3R

    SQ3R. SQRRR or SQ3R is a reading comprehension method named for its five steps: survey, question, read, recite, and review. The method was introduced by Francis P. Robinson, an American education philosopher in his 1946 book Effective Study. [ 1]

  9. Family Resources Survey - Wikipedia

    en.wikipedia.org/wiki/Family_Resources_Survey

    The Family Resources Survey (FRS) is one of the United Kingdom's largest household surveys. It is carried out by the Office for National Statistics (ONS) with the National Centre for Social Research (NatCen), and Northern Ireland Statistics and Research Agency (NISRA) on an annual basis, by collecting information on the incomes and characteristics of private households in the United Kingdom.