17: Quality Assessment

Assessing the quality of data is important because doing so enables users to assign credibility to data. However, it is not clear how to define quality nor how to measure it. Hence this workshop¹ set out to:

In doing so the workshop bore in mind the diversity of travel survey methods used throughout the world and how this affects the assessment of data quality and whether universal measures of data quality are achievable or not. The workshop also considered whether the International Standards Organisation (ISO) can usefully play a role in measuring, and ultimately in establishing and maintaining, travel survey data quality. In addition, the workshop considered detailed suggestions made in Stopher et al. (2006).