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It refers to when you want to ask have several versions of the same or similar people, the same survey, where across the different versionsor similar questions, potentially but not necessarily at different points in time.
The characteristics of the different ‘versions’ of a survey might be as follows:
Some questions are worded differently
Some questions don’t appear
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A key factor to determine which approach is best for you is whether you want to be able to aggregate results and connect results from across the different versions of the survey, in spite of the differences between each version |
Comparison
FUNCTIONALITY | Waves approach | Separate Surveys approach |
|---|---|---|
Surveys you need to create | 1 | Several |
How it works | Tailor the wording of a survey question for specific projects | |
Remove certain quantifiable questions from different versions | Yes | Yes |
Change the wording of certain quantifiable questions in different versions | Yes | Yes - But you’ll need to create a duplicate metric which means you won’t be able to aggregate results across versions |
Use Progress Boards to Connect Results from across different versions (e.g. for Longitudinal Surveys) I.e. to calculate
| Yes - Always | Only if all of your quantifiable questions are worded identically in each version (because they use the same Metric) |
Use Progress Boards and Progress Panels to Aggregate Results from across different versions I.e. to calculate
| Yes - Always | Only if all of your quantifiable questions are worded identically in each version (because they use the same Metric) |
Metrics you need to create | 1 per quantifiable question | Several per quantifiable question because you need 1 per quantifiable question |
Change Ability to change the wording of certain qualitative questions in different versions (using Custom Fields) e.g. Open Text questions | Yes | Yes |
Custom Fields you need to create | 1 per qualitative question | 1 per qualitative question |