Frankel, LL; Hillygus, DS, Looking beyond demographics: Panel attrition in the ANES and GSS, Political Analysis, vol. 22 no. 3 (January, 2014), pp. 336-353, CUPbridge University Press (CUP) [doi] [abs].
In order to capture a wide range of demographics, panel members are recruited by MyOpinions through both online (e.g., banner ads, search engines) and offline (e.g., radio and print advertising) channels.
Participants were initially identified using pre-targeted variables based on known demographics of panel members.
Vertical segmented and continuous lines in demographic plots of panels a, b and c represents the estimated mean TMRCA for the genotype I modern-linage and its 95% HPD interval, respectively.
Fig. 1 Density plots/histograms of key demographics before (left panel) and after (right panel) trimming (Note the change in scale of the horizontal axis after trimming).
Education was the most common missing demographic variable in both panels, followed by marital status in Panel 2 and duty occupation in Panel 3. The greater proportion of non-responders missing demographic information may have been due to recent separation from service, since those no longer serving may have missing values in the database.
But no panel, no demographic study group and no expert arbiter of taste influences her decisions, and that is how she likes it.
Finally, responses to the survey questions were supplemented with demographic information from the panel member profile maintained by KN.
Once your survey is finalized, AskYourTargetMarket will launch it to your desired demographic within their consumer panel for as little as $29.95 for 50 respondents.
The second model in each panel adds demographic characteristics of the decedent reported on the death certificate: age, age-squared, sex, marital status, education, region of birth, month of death, region of death, whether the decedent lived in another state or country and the population size of the decedent's resident county.
