Editor's note: SSI held a webinar on survey data quality measurements on January 30, 2014. Duration 56:10.

More and more quality control questions are being added to today’s online questionnaires – but not all quality controls are created equal. There are no industry standards, so how does a researcher know which to use? SSI has measured the effectiveness of commonly-used questions and in this webinar reveals:

Keith Phillips, senior methodologist at SSI, will show how to make quality-control questions work for you for the highest quality results.