| Question Types | Basic question types (single select, multi select, grids and open ends) | Any question types (incl. numeric grids with total validation and auto total, conditional loop with a set of questions repeated until a conditions are met, some custom questions) | Customized questions, customized look and feel |
| Skip Logic | Single question skip/mostly full bases | Skip questions with masking based on multiple questions | Priority or Loop based skipping and masking |
| Quota/Selection | Simple, standard least fill | Moderate complexity quotas (such as priority least fill, hidden questions to drive quotas, etc.) | Least fill approach, where selection involves combinations of: priorities, multiple questions, multiple codes, respondent groups, countries etc. |
| Formatting | Basic/Minimal formatting (such as bolding, underlining, colors) | Any formatting (such as extensive text formatting, mouseovers, image zoom capability, etc.) | Standard tools requiring high level of customization |
| Loops/Rotation | Simple loop questions, standard rotation | Nested loops with masking, simple custom rotation | Loops with priority, complex custom rotation and de-rotation |
| Validation | Standard integrity checks | Grid validation, customized ranking | Multiple/complex custom validations |
