期刊名称：Bulletin of the American Society for Information Science
出版年度：2013
卷号：39
期号：6
出版社：American Society for Information Science and Technology
摘要：Validity of findings: Self-Selective Sampling Fits the Membership Population in Terms of the Geographic Distribution. A total of 247 responses were received. About two-thirds of all respondents are from North America (70.45%), followed by Europe (15.79%). The 2010 membership data indicated that members from North America represented 87.6%, followed by Europe at 6.4% and Asia at 3.5%. Although 2012 the membership count is not available, the percentage matches 2010 pattern (See Table 1). Compared with the 2010 membership data provided by ASIS&T headquarters, the survey sample was a reasonably good representation of the overall membership
