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Adewumi, A S, Onyango, V, Moyo, D and AlWaer, H (2019) A review of selected neighbourhood sustainability assessment frameworks using the Bellagio STAMP. International Journal of Building Pathology and Adaptation, 37(01), 108–18.
Agyekum, K, Blay, K and Opoku, A (2019) Mechanisms for preventing rising damp in new building infrastructure. International Journal of Building Pathology and Adaptation, 37(01), 87–107.
Blay, K, Agyekum, K and Opoku, A (2019) Actions, attitudes and beliefs of occupants in managing dampness in buildings. International Journal of Building Pathology and Adaptation, 37(01), 42–53.
Du, J, Zhao, D and Zhang, O (2019) Impacts of human communication network topology on group optimism bias in Capital Project Planning: a human-subject experiment. Construction Management and Economics, 37(01), 44–60.
- Type: Journal Article
- Keywords: Communication network; optimism bias; project planning; topology;
- ISBN/ISSN: 0144-6193
- URL: https://doi.org/10.1080/01446193.2018.1508848
- Abstract:
Capital projects are critical to the world’s economy. Despite the advancement of prediction techniques, capital projects still suffer from overly optimistic plans, i.e. tight budgets and schedules. This article focuses on understanding this issue from the perspective of optimism bias, i.e. a psychological bias toward the inclination to be overly optimistic about the chance of success. We hypothesize that human communication network topologies are strong predictors of harmful optimism bias at the group level in project planning. A human-subject experiment was performed to test group optimism bias levels under different communication network topologies. We recruited 103 subjects to estimate the cost of an artificial power plant project. The communication networks were manipulated to reflect different topologies. The subjects’ estimates were compared to a Monte Carlo simulation result based on real historical data to quantify the level of optimism bias at the group level. Preliminary results find that certain human communication network topology leads to more realistic estimates, possibly due to a process of updating individual judgement based on peers’ judgements. The findings of this study are expected to urge further theoretical investigations into the development of simple yet effective decision support systems to reduce decision-making bias in capital project planning.
Guan, L (2009) Implication of global warming on air-conditioned office buildings in Australia. Building Research & Information, 37(01), 43–54.
Hofman, E, Voordijk, H and Halman, J (2009) Matching supply networks to a modular product architecture in the house-building industry. Building Research & Information, 37(01), 31–42.
Jandali, D and Sweis, R (2019) Factors affecting maintenance management in hospital buildings. International Journal of Building Pathology and Adaptation, 37(01), 6–21.
Lindblad, H (2019) Black boxing BIM: the public client’s strategy in BIM implementation. Construction Management and Economics, 37(01), 1–12.
Md Ali, Z, Zawawi, R, Myeda, N E and Mohamad, N (2019) Adaptive reuse of historical buildings. International Journal of Building Pathology and Adaptation, 37(01), 54–68.
Short, C A, Cook, M and Lomas, K J (2009) Delivery and performance of a low-energy ventilation and cooling strategy. Building Research & Information, 37(01), 1–30.
Sweis, R, Moarefi, A, Hoseini-Amiri, S and Moarefi, S (2019) Delay factors of the schedule of strategic industrial projects. International Journal of Building Pathology and Adaptation, 37(01), 69–86.
Tade, O, O’Neill, S, Smith, K G, Williams, T, Ali, A, Bayyati, A and See, H (2019) Modified sewer asset management to accommodate London’s future sustainable development. International Journal of Building Pathology and Adaptation, 37(01), 22–41.
van den Boomen, M, Spaan, M T J, Schoenmaker, R and Wolfert, A R M (2019) Untangling decision tree and real options analyses: a public infrastructure case study dealing with political decisions, structural integrity and price uncertainty. Construction Management and Economics, 37(01), 24–43.
Volker, L (2019) Looking out to look in: inspiration from social sciences for construction management research. Construction Management and Economics, 37(01), 13–23.