The subset of a population that actually responds to your survey, used to estimate what the whole population thinks.
The number of respondents needed for a survey's results to reliably represent the target population, given a chosen confidence level and margin of error.
Learn more →A rule that ends a survey early, or skips later questions, based on how a respondent answered an earlier one.
A question answered by dragging a handle along a numeric range, rather than picking from discrete options.
The share of people who received a survey invitation and actually opened and began the survey, regardless of whether they finished it.
Learn more →A measure of how likely it is that a result reflects a real effect rather than random chance, typically based on sample size and the size of the observed difference.
Any rule that changes what a respondent sees next based on their previous answers - includes skip logic, branching, and piping.