The Assignments Student View link allows you to view what your students will see when they sign in and access your course. 

Note:Only published assignments will appear in the Student View.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::Assignment List Student View::/sites/dl/free/0000065899/564496/ss_AssignListStudentView.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif">Assignment List Student View (14.0K)</a>Assignment List Student View

Clicking on an assignment in Student View opens the assignment as it would appear to the student.  You can use this to preview your assignment before making it available to your students.