t> that can modify the standard behavior, but its
design limits the amount of flexibility.</p>
<p>In the new <tt>RooStudyManager</tt> design, the functionality of
<tt>RooMCStudy</tt> has been split into two classes: class
<tt>RooStudyManager</tt> which manages the logistics of running
repetitive studies and class <tt>RooGenFitStudy</tt> which implements
the functionality of the 'generate-and-fit'-style study of <tt>RooMCStudy</tt>.
The new design has two big advantages:</p>

<ol>
<li>Complete freedom in the