Development of an impact-on-performance index (IPI) for construction projects in Malaysia: a Delphi study

Mansour, Husam; Aminudin, Eeydzah; Omar, Balqis; Al-Sarayreh, Ali

doi:10.1080/15623599.2020.1762036

Cited by 18 publications

(18 citation statements)

References 53 publications

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“…Round three provides consolidated results (feedback) from the previous round and asks the panelists to freely reconsider the ratings. In each subsequent round, the researcher prepares an anonymous brief of the panelists' assessments (commonly in terms of mean, median or deviation) from the previous survey round and asks the experts to reassess their previous opinion taking into consideration the opinions of other panelists (Ameyaw et al, 2016;Mansour et al, 2022). The COM performance factors were determined and ranked after two rounds of Delphi process according to their influence level on the construction process.…”

Section: Delphi Methods and Panelists Selection Criteriamentioning

confidence: 99%

“…Delphi is used for a problem that cannot be directly analyzed by analytical techniques, questions require intuitive judgment, and expert disagreement occurs. The goal of a Delphi study is to obtain consistent agreement from selected competent experts through updated surveys governed by a statistical analysis of the experts' response Mansour et al, 2022). The Delphi method is recognized as a reliable method in construction engineering research (Mansour et al, 2022) and has been utilized by various researchers to identify and rank factors impacting complex processes and outcomes (Ameyaw et al, 2016;Kermanshachi & Safapour, 2019;Mansour et al, 2022).…”

Section: The Delphi Approach In Construction Management and Engineeringmentioning

confidence: 99%

“…The goal of a Delphi study is to obtain consistent agreement from selected competent experts through updated surveys governed by a statistical analysis of the experts' response Mansour et al, 2022). The Delphi method is recognized as a reliable method in construction engineering research (Mansour et al, 2022) and has been utilized by various researchers to identify and rank factors impacting complex processes and outcomes (Ameyaw et al, 2016;Kermanshachi & Safapour, 2019;Mansour et al, 2022). Delphi occupies a position close to a constructionist approach and also has the potential to generate quantified results within a positivist tradition.…”

Section: The Delphi Approach In Construction Management and Engineeringmentioning

confidence: 99%

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Construction Change Order Management Project Support System Utilizing Delphi Method

Naji

Gündüz

Naser

2022

Journal of Civil Engineering and Management

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Change orders are a major challenge in the construction industry due to the associated time and cost impacts. Thus, managing change effectively assists in alleviating cost overruns and delays. Avoiding change orders and controlling them during project phases requires comprehensive research on the factors affecting the change orders management (COM) performance. This study contributes to existing knowledge by introducing a COM performance measurement framework to help construction professionals evaluate, track, and manage COM performance. A comprehensive literature review, personal meetings, and the Delphi technique are utilized to identify 49 performance factors, categorized into 7 COM groups. 13 Delphi panel members are selected according to purposive sampling technique. The collected data are examined through normality and reliability tests and then analyzed by Spearman’s correlation coefficient, score percentage, and the mean to standard deviation ratio to decide whether to continue with the Delphi method. Consensus between the panelists is reached after the second round of Delphi by the utilization of nonparametric statistical tests. The Delphi study results are followed up by measuring the inter-rater agreement (IRA) and ranking the COM performance factors using the sum rank weighting method. Finally, an operational support system framework that takes into consideration the project life cycle of a project is developed to manage and control these factors to decrease disputes between project parties that occur due to improper COM performance.

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Section: Delphi Methods and Panelists Selection Criteriamentioning

confidence: 99%

Section: The Delphi Approach In Construction Management and Engineeringmentioning

confidence: 99%

Section: The Delphi Approach In Construction Management and Engineeringmentioning

confidence: 99%

See 1 more Smart Citation

Construction Change Order Management Project Support System Utilizing Delphi Method

Naji

Gündüz

Naser

2022

Journal of Civil Engineering and Management

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“…Thus, opinions of professionals were collected using a quantitative research approach to identify the statistical relationships that exist amongst the variables to be considered in the study (Basias and Pollalis, 2018). The Delphi technique was used in the study because it helps to collect expert opinions on a specific field (Mansour et al, 2020). The Delphi technique is a data collection and analysing technique that can be used to reach a consensus by conducting a series of questionnaire surveys to gather information from a selected set of respondents (Hsu and Sandford, 2007).…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Risk management in guaranteed maximum price (GMP) contracts

Palihakkara

Perera

2022

SASBE

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PurposeGuaranteed maximum price (GMP) contracts are becoming an increasingly popular contract solution; however, many projects experience higher levels of risk and exceed predetermined GMPs, failing to accomplish the main motive behind the concept. Thus, the study identified a risk management process for GMP projects.Design/methodology/approachThe study adopted a quantitative approach consisting of three Delphi rounds. The collected data were analysed using statistical data analysis tools.FindingsThe study identified 17 highly significant risk factors in GMP projects and determined their levels of severity. Subsequently, risk allocation amongst the client, contractor and consultant and strategies to handle the most significant risk factors were determined. The study identified poorly defined scope and design changes as the most critical risks in GMP projects. Moreover, strategies such as clearly defining the project scope, preparing precise documentation, early involvement of the contractor and using a partnering approach can be deployed to reduce the risk in GMP projects. Each risk has to be assigned to the party who can best manage it, depending on its nature.Originality/valueThe study addresses the literature gap pertaining to risk management of GMP contracts by identifying its overall process, including the identification of significant risks based on the severity levels; risk allocation amongst the client, contractor and consultant; and identification of risk handling techniques suitable for each significant risk factor. The study contributes to the industry by identifying a systematic risk management process to implement GMP projects successfully within the stipulated time, cost and quality.

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Probability Analysis of Construction Risk based on Noisy-or Gate Bayesian Networks

Qin

et al. 2022

Reliability Engineering & System Safety

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Development of an impact-on-performance index (IPI) for construction projects in Malaysia: a Delphi study

Cited by 18 publications

References 53 publications

Construction Change Order Management Project Support System Utilizing Delphi Method

Construction Change Order Management Project Support System Utilizing Delphi Method

Risk management in guaranteed maximum price (GMP) contracts

Probability Analysis of Construction Risk based on Noisy-or Gate Bayesian Networks

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