Students In classes selected for the survey, letters were sent received a card at the end of the survey with home for parents/guardians describing the survey, information about helplines and other resources, topics covered, and the voluntary nature of including Kids Help Phone and the McCreary student participation. [...] Parents and students were invited to view a detailed list of the topics and their rationale (without actual question wording), as well as background information on the history of the survey and the uses of the data on the McCreary website. [...] Page 3 of 6 SAMPLE REPRESENTATION: Coverage and response rates The coverage rate is the proportion of the target The target sample for the 2018 BC AHS population covered by participating school consisted of all the students enrolled in the 2,175 districts and that is actually represented by the classrooms that were randomly selected from sample. [...] The coverage of the 2018 BC AHS is among all of the classrooms in the participating considered to be excellent at 95.3% of public- school districts. [...] Page 5 of 6 WEIGHTING RELEASABILITY CRITERIA AND STATISTICAL TESTING Data from each of the 38,015 valid student surveys was weighted and scaled to provide an The release of percentage estimates from the accurate representation of the 255,146 students in BC AHS is governed by the size of their standard BC’s 60 school districts.
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