%0 Journal Article %J Journal of Construction Engineering and Management %D 2014 %T Validation methodologies and their impact in construction productivity research %A Jiali Liu %A Arash Shahi %A Carl T Haas %A Paul Goodrum %A Carlos H Caldas %B Journal of Construction Engineering and Management %V 140 %G eng %U https://doi.org/10.1061/(ASCE)CO.1943-7862.0000882 %N 10