Natural Sciences

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https://hdl.handle.net/20.500.11888/18293

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Browsing Natural Sciences by Author "Abu-Eisheh, Suleiman Abdulghani"

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    THE IMPACT OF CONSTRUCTION CONTRACTS ON PROJECT PERFORMANCE IN WEST BANK: CONFLICT RESOLUTION AS A MEDIATOR
    (An-Najah National University, 2025-08-21) Abu-Eisheh, Suleiman Abdulghani
    The construction sector in the West Bank plays a crucial role in driving economic development and urban expansion. However, this sector experiences performance-related challenges, including project delays, cost overruns, and quality issues, many of which stem from contract ambiguities and ineffective conflict resolution. Modern project management theory emphasizes the crucial role of well-defined construction contracts and structured conflict resolution processes in enhancing project outcomes. Despite the increasing complexity of construction projects, the West Bank lacks binding legal frameworks. Many stakeholders rely on generic, unmodified templates or avoid professional legal consultation when forming contracts. This has led to persistent disputes and project underperformance. The primary objective of this study is to assess the impact of construction contracts on project performance, with conflict resolution as a mediating variable. A quantitative, explanatory research design was employed using PLS-SEM with Smart-PLS. A hierarchical reflective–reflective model was tested using the disjoint two-stage approach. The questionnaire included 75 indicators across three constructs and was distributed to 130 qualified participants across the West Bank. Seven indicators were removed during the model modification process to ensure acceptable reliability and multicollinearity levels, two due to low outer-loadings, and five due to high VIF values. The results showed that construction contracts significantly influence project performance (β=0.316, t=5.113, p<0.001), and conflict resolution (β=0.487, t=6.820, p<0.001). Conflict resolution also had a significant direct effect on performance (β=0.500, t=8.801, p<0.001), and it partially mediated the relationship between contracts and performance, as supported by the Variance Accounted for (VAF=43.5%), and the significance of the indirect effect (β=0.243, t=5.325, p<0.001). The model exhibited strong internal consistency, convergent and discriminant validity, and fit indices (SRMR=0.044 and GOF=0.537). Descriptive analysis revealed a general weakness in construction contracts across the West Bank, highlighting key areas needing development. The study concluded that strengthening construction contracts and improving conflict resolution enhances project performance in Palestine, and conflict resolution mediates the relationship between contracts and performance. Practically, this study provides a validated framework that guides policymakers and stakeholders in reforming contracts, strengthening the legal enforceability of ADR outcomes, and institutionalizing training programs and sustainable management practices to enhance this sector.