Questionnaires and web experiments are investigate methods involving the internet as a method to collect info and are therefore often used instead of traditional lab-based fresh designs. They have been around since the times of the internet (World Large Web, short: web) and were able to develop rapidly mainly because the Internet changed and became extensively available (Skitka & Sargis, 2006).

Internet questionnaires and web tests are useful to get collecting significant participant packed areas at reduce administrative costs than can be possible within a lab. On the other hand, these positive aspects are often counterbalanced by troubles that can occur when using the internet as an experiment place. Birnbaum (2004) highlights some usual pitfalls, including incorrect coding and erroneous data collection due to the method HTML varieties work (e. g., determining the same varied brand to form components, for example , into a questionnaire item asking about sex and one asking sex frequency).

Other problems can also occur, just like drop out and differences in inspiration between participants. The latter may be particularly frustrating because, mainly because pointed out by Reips (1999, 2002b), it might be possible to interpret between-condition effects although the same individuals were encountered with different stimuli inside the same research.

Fortunately, a large number of techniques and detailed solutions are available to prevent these potential problems and perhaps to turn all of them into advantageous top features of web experimentation. The software program OpenSesame, as an example, makes it easy to construct and work complex behavioral experiments via the internet without the need for special programming abilities.