<p>I would say most people probably take a class for credit during at least one IAP, but most don’t take a class every IAP. And many of the courses that are offered for credit are intended to be fun – the course 9 sheep brain dissection class, for example, or the engineering competitions. </p>
<p>A lot of people work at their UROPs during IAP, either for work or for credit, or do an [url=<a href=“http://alum.mit.edu/volunteering/VolunteerTools/ExternshipProgramSponsors]externship[/url”>http://alum.mit.edu/volunteering/VolunteerTools/ExternshipProgramSponsors]externship[/url</a>]. And it’s perfectly acceptable to do nothing at all.</p>