Erowid deliberately lags behind such sites, in order to let a more representative sample emerge.
The Standard & Poor's 500 index, a more representative sample of American stocks, lost a record 84 points, almost 6percentt.
But constantly spending time with them, and not with a more representative sample of your audience, is bound to skew your judgment eventually.
The broadcaster discovered that most of its self-selecting respondents were from "the well-educated social groups," so it commissioned a second study targeting a more representative sample.
Future research may consider better design and more representative sample for studying these issues.
Publishers can then also use the results of their polls to get a more representative sample of their readers' opinions.
"By calling people randomly, we get a much more representative sample".
Unlike Dating sites, Facebook has millions of couples, enough to get a much more representative sample than folks who only meet their love online.
This paper uses TIMSS 2011 data, which is a more representative sample of developing country under study.
Future studies should use a more representative sample of schools selected from a variety of geographic regions across the region.
It would consequently be desirable to investigate these effects for a larger and more representative sample of German students.
