When asking participants to input their height or weight in inches-feet and stones-pounds, how do you put in two box options
and to also have the option of saying I do not know.
And can you have an option to validate this e.g. can't weight less than x, or be less than 100 cm.
e.g
Height and weight questions
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I understand how to validate it- but I am referring to where participants enter values- can you have two separate entry boxes?