QS:Dropdown size
From LimeSurvey Manual
Height of dropdown (dropdown_size)
Description
The List dropdown questions types contain the "heigh of dropdown" attribute, which allows you to control how many list items are visible to the respondents without scrolling down or clicking on the dropdown menu.
Valid values
- Any integer value greater than 0
- Note, if you select a number larger than the length of the list, the list will be sized to show all options