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Statistical Analysis Of Ncba

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National Center for Biological Technology Information (NCBI) Study
This study taken on October 31, 2011 by the National Center for Biological Technology Information (NCBI) , used a cross-sectional relational descriptive design with a self-report questionnaire. It consisted of population-based data collection of 1,716 middle and high school Korean adolescents. These students were randomly selected in middle and high schools in the Office of Education. Participants were asked to provide demographic characteristics such as gender, age, grade, religion, and living area in the first part of the survey. The second part consisted of the KAHBS; the 72 items on the KAHBS, 48 are measured on a 4-point Likert scale (1 = not at all, 2 = usually not, …show more content…

Center for Disease Control and Prevention (CDC)
The CDC has gotten their information on health databases in the United States. They also have used surveys to complete their data based on middle and high school tobacco use experience. The CDC has collected this information from different health care websites and have drafted a survey in order to obtain research and real life experiences of early tobacco use. The instrument they used to collect this data from high school and middle school students is a survey and also used databases to understand and analyze their survey. They analyzed and presented their data in paragraph form by comparing it to other years and statistics from previous years. The CDC measured the age if these respondents to be in middle and high school. This will provide the most accurate data since it affects them personally. The survey was conducted in 2016 to evaluate information about these students and their smoking habits. Risk factors of smoking include social/physical environments, biological/genetic factors, mental health, and personal perceptions. Three examples of places where bias

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