\begin{figure}[!b]
\scriptsize
\begin{center}
\begin{tabular}{l@{}|p{3.5cm}@{~}r@{~}|r@{~}l}
& & COCOMO&relative\\
id & features & version & weight\\\hline
1&Personnel/team capability  &I&	4.18	&\rule{21mm}{2mm}\\
&&II	&3.53	&\rule{17mm}{2mm}\\
2&  Product complexity &I	&2.36&	\rule{12mm}{2mm}\\
&&II	&2.38&	\rule{12mm}{2mm}\\
3& Time constraint &I &	1.66&	\rule{9mm}{2mm}\\
&&II& 	1.63&	\rule{8mm}{2mm}\\
4&    Required software reliability &I &	1.87	&\rule{8mm}{2mm}\\
&&II& 	1.54&	\rule{8mm}{2mm}\\
5& Turnaround time &I 	&1.32	&\rule{6mm}{2mm}\\
6&    Multi-site development &II  &	1.53&	\rule{7mm}{2mm}\\
7&       Doc. match to life cycle  &II& 	1.52	&\rule{7mm}{2mm}\\
8&  Personnel continuity &II &	1.51&	\rule{7mm}{2mm}\\
9&  Applications experience &I &	1.57&	\rule{8mm}{2mm}\\
 &&	II &1.51	&\rule{7mm}{2mm}\\
10& Use of software tools &I& 	1.49&	\rule{7mm}{2mm}\\
&&II &	1.50	&\rule{7mm}{2mm}\\
11& Platform volatility &I &	1.49	&\rule{7mm}{2mm}\\
&&II 	&1.49&	\rule{7mm}{2mm}\\
12& Storage constraint &I &	1.56&	\rule{8mm}{2mm}\\
&&II &	1.46&	\rule{7mm}{2mm}\\
13&    Modern prog. practices &I &	1.51&	\rule{7mm}{2mm}\\
14& Process maturity &II &	1.43	&\rule{7mm}{2mm}\\
15&  Language experience &I &	1.20	&\rule{6mm}{2mm}\\
16&    Language \& tools experience &II &	1.43	&\rule{7mm}{2mm}\\
17&     Required dev. schedule &I &	1.23&	\rule{6mm}{2mm}\\
&&II &	1.43	&\rule{7mm}{2mm}\\
18&Data base size &I &	1.23	&\rule{6mm}{2mm}\\
&&II  &	1.42&	\rule{7mm}{2mm}\\
19&  Platform experience &I &	1.34	&\rule{6mm}{2mm}\\
&&II &	1.40&	\rule{7mm}{2mm}\\
20&     Arch. \& risk resolution &II &	1.39&	\rule{7mm}{2mm}\\
21&    Development  mode (part)  &I &	1.32&	\rule{6mm}{2mm}\\
22&  Precedentedness &II &	1.33&	\rule{6mm}{2mm}\\
23&  Developed for reuse &II 	&1.31	&\rule{6mm}{2mm}\\
24& Team cohesion &II &	1.29&	\rule{6mm}{2mm}\\
25&    Development mode  &I &	1.32	&\rule{6mm}{2mm}\\
26& Development flexibility &II&	1.26	&\rule{6mm}{2mm}\\
\end{tabular}
\end{center}
\caption{Relative effects on development effort of
 changing project features based on two tunings
of the COCOMO model: the 1981 COCOMO-I~\protect\cite{boehm81} 
and the 2000 COCOMO-II~\protect\cite{boehm00b}.}\label{fig:coceffects}
\end{figure}
