“…EI n ¼ wv n  EI pr wv pr Where additional variables are: nthe defined effect number; EI neconomic impact of effect n; wv nweighting value of effect n; EI preconomic impact of the pre-venting rework; wv pr , weighting value of the preventing rework -Hill, 2008;Giel and Issa, 2013;Giel et al, 2009, Barlish and Sullivan, 2012, McGraw-Hill, 2009McGraw-Hill, 2012;McGraw-Hill, 2014) Taiwan (1) (Fan et al, 2014) Singapore (1) (Qian, 2012) Poland ( 1) (Walasek and Barszcz, 2017) Rework reduction (8 studies) Korea (4) (Kim et al, 2020;Lee and Lee, 2020, Ham et al, 2018, Lee et al, 2012 Taiwan (1) (Fan et al, 2014) Singapore (1) (Qian, 2012) Poland ( 1) (Walasek and Barszcz, 2017) Malaysia ( 1) (Latiffi and Tai, 2017) Change orders reduction (6 studies) USA ( 4) (Barlish andSullivan, 2012, Giel andIssa, 2013;…”