Direct Analysis
This involves the analyst examining the construction programs
available (the baseline program, its updates, or the as-built
program) as it is, without carrying out any major adjustments or
evaluations on them (Trauner 1990; Alkass et al. 1996; Lovejoy
2004). The techniques that use this type of analysis are therefore
relatively easy, simple, and less expensive to implement. Examples
include the As-planned versus As-built, Net Impact, and Global
Impact techniques (Zack 2001; Alkass et al. 1996; Arditi and
Pattanakitchamroon 2006).