Category: Mixed Mode

Last week I sat through a very large panel discussion at a CASRO meeting and heard a lot of industry people express their views on the pressing problem of declining respondent cooperation.   There was, of course, discussion about online as well as mixed-mode and there was no shortage of people prepared to argue that online…

This interesting problem showed up in my office this morning. A while back we did a large Web study with physicians that used an extensive battery of seven point scales.  More recently, we completed a telephone study using the same battery with a similar population, but we are seeing somewhat different results.  Mean scores on…

This is a question we are fond of asking, and it has emerged as a major focus as we look to migrate healthcare-related telephone studies to the Web. The full question looks like this: How would you rate your health right now? Excellent Very good Good Fair Poor When we did you full-fledged test of…

Arguably the biggest difference between Web surveys and phone surveys is the absence of an interviewer. (There’s also that visual vs. aural stuff, but more on that in another post.)  And when people see evidence of Web studies producing different results than phone surveys they often jump to "social desirability" as an explanation.  The theory…

It is a well established principle in survey research that the same question asked in different survey modes (e.g., telephone vs. Web, face-to-face vs. telephone, interviewer-administered vs. self-administered, etc.) will sometimes elicit a different pattern of responses.  This issue of mode effects is a complicated one and it has now emerged as a major point…