Researchers acknowledge several reasons for possible non-representativeness in surveys conducted on samples drawn from large consumer panels. We model the selection process for one major consumer panel, maintained by Knowledge Networks, Inc., starting with over 525,000 random-digit-dialed...

Researchers using survey data must always deal with the problem of nonignorable non-response among the intended sample for a survey. Often, nothing more is known about a non-respondent individual or household other than the geographic location of their primary residence. However, this...

Research that attempts to characterize urban form is confronted with two key issues: criticism of the use of aggregate units of analysis, such as census tracts, and a general lack of consideration of variables related to elements other than the built environment, such as residents’ behavior....

Researchers using survey data must always deal with the problem of nonignorable non-response among the intended sample for a survey. Often, nothing more is known about a non-respondent individual or household other than the geographic location of their primary residence. However, this...