Including QR Codes on survey recruitment materials may be one method to reduce burden and encourage participation. The COVID-19 pandemic prompted a resurgence of QR Code use, so it is reasonable to assume they may now also be effective in survey outreach. In this article, we examine response by access mode (QR/URL) to better understand QR Code…

In a mixed-methods study on poverty in Germany, we conducted qualitative interviews and collected quantitative data on ego-centered networks using a name-generator approach and a single set of respondents. Based on the qualitative data, we first developed a typology of negative ties and then evaluated which of these ties the name generator (on…

This study illustrates how the cognitive interviewing (CI) method can provide qualitative evidence of item, construct, and method bias in cross-cultural research. CI was conducted with participants from the Netherlands and Spain, who responded to quality-of-life (QoL) items included in international survey research projects. Qualitative findings…

Conducting intervention studies with homeless populations can be difficult, particularly in terms of retaining participants across multiple sessions and locating them for subsequent follow-up assessments. Homeless youth are even more challenging to engage due to substance use, mental health problems, wariness of authority figures, and frequent…