Conclusion :
The preferred alternative according to table is 3D model. This is because the WBS level of details and number of design activity phases are the top ranked attributes and the 3D model is the best of all over the two attributes. This will have a positive impact on reducing the possible change orders by refining the scope and eliminating any possible omissions or errors.
To read the article of Mohammed Elrashid, it's here: http://aacemahakam.blogspot.fr/2013/01/w10mohammed-our-current-wbs-vs.html
