Experiment / Survey Platforms QuestionProUser friendly survey-building platform with a wide range of functions including skip/display logic and ‘loop and merge’. Compatible with SONAPsyToolkitFree-to-all platform that includes a range of pre-coded experiments that can be customised and embedded in surveys. PsyToolkit is compatible with SONAGorillaPaid-for platform incorporating experiments and surveys that may include a wide range of functions such as randomisation, animation files, participant counterbalancing, heat maps and recorded response time. Compatible with SONAJiscSimple questionnaires can include images, video and audio and can pipe text. Incompatible with SONA