Online surveys are becoming more and more interactive. Respondents can use new flash question types. Card sorting, clicking on coloured and interactive buttons, ranking of items shown as pictures – the options seems to be nearly unlimited. Research institutes and panel providers expect more fun for the respondents while answering the surveys. But what’s about the results? Are there really effects on respondents and, much more important, is there any effect on the data quality of survey results? - A number of methodological questions emerge, one of them being associated with the measurement possibilities and usability.