survey methodology

Interactive visualization to facilitate monitoring longitudinal survey data and paradata

Surveys often require monitoring during data collection to ensure progress in meeting goals or to evaluate the interim results of an embedded experiment. Under complex designs, the amount of data available to monitor may be overwhelming and the …

Supplementing a survey with respondent Twitter data to measure e-cigarette information exposure

Social media data are increasingly used by researchers to gain insights on individuals’ behaviors and opinions. Platforms like Twitter provide access to individuals’ postings, networks of friends and followers, and the content to which they are …