How much time do you give candidates to complete their work samples? I'm curious whether work-sample tests filter out, say, parents with young children, in whic

How much time do you give candidates to complete their work samples? I'm curious whether work-sample tests filter out, say, parents with young children, in which a company with a 4-6 hour technical interview might be preferred over an unbound take-home assignment (in addition to the possibility of more interviews).