1. Note: Lengthy URLs have been shortened using Google URL Shortener. If clicked, those URLs will open at the sites of the original URLs.
2. AAPOR (2014), “Announcing a new AAPOR initiative: furthering our understanding of today’s survey methods”, Fall, available at: https://goo.gl/rmxphT (accessed February 5, 2018).
3. AAPOR (2015), “The code of professional ethics and practices”, American Association for Public Opinion Research, November 30, available at: https://goo.gl/1t8hgv (accessed February 5, 2018).
4. AAPOR (2018a), “Best practices for survey research”, American Association for Public Opinion Research, available at: www.aapor.org/Standards-Ethics/Best-Practices.aspx#best1 (accessed February 5).
5. AAPOR (2018b), “Evaluating survey quality in today’s complex environment”, American Association for Public Opinion Research, available at: https://goo.gl/MAAqpA (accessed February 5).