Research Publications

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Open Access
The Influence Of Project Managers' Decision-Making Styles On Schedule Variance In Building Construction Projects
(Faculty of Engineering, 2025-09-09) Pulasinghe, K; De Silva, P
This research focus to assess the relationship between project managers decision making styles and schedule variance in building construction projects in Sri Lanka. Timely completion of construction projects is one of the major performance indicators, yet delays are a long-standing issue in Sri Lankan construction projects. Though there are many causal factors, decision-making styles of project managers have not been studied yet, creating a significant knowledge gap with regard to their influence on project schedule variance. This study attempts to analyze the relationship between project managers' decision-making styles: directive, analytical,conceptual, and behavioural and schedule variance in Sri Lankan building construction projects. A mixed-methods research approach was adopted. Primary data were gathered by holding semi-structured interviews with nine industry practitioners and a questionnaire survey of 50 respondents covering key project roles. To analyze the data code based content analysis and descriptive statistical tools (percentage count, mean, weighted average etc.) were used and to examine the relationship between decision-making styles and schedule variance Pearson correlation was conducted. Results revealed that decision making styles play a significant role in influencing project schedules. However, it was found that directive and behavioural styles are most prevalent and successful styles in the Sri Lankan context. The data revealed both positive and negative influences of managerial decisionmaking styles on schedule performance. These results contribute to the link between leadership and project performance and make a theoretical and practical contribution by revealing decision-making as a key influence to minimize schedule variance.
Open Access
Assessing the Effectiveness of Curbside Pickup Process in Sri Lankan Restaurant Industry
(Emerald Publishing, 2022-12-01) Godakumbura, K. E; Kasthuriarachchi, S
Pandemic situation pushed people to explore many different paths to fulfill their basic requirements. Generally pandemic did a considerable progress to enable ecommerce/online capabilities on almost every supplier/producer. People tried the benefit of contactless delivery services and pickup options. As a result, most of the western countries get used to help their grocery shopping and food ordering with curbside pickup. Existing research found some limitations in online delivery methods. This research used actual data collected through survey questionnaires from customers who are using online ordering applications and accordingly descriptive and inferential statistical data has been used to conduct the data analysis. Throughout the research findings, there were strong positive relationships identified in Efficiency, Time, and Convenience factors with curbside pickup. Also, moderate strong positive relationship between Cost and Curbside pickup. This research concludes that the effectiveness of curbside pickup method has positive influence with the variable factors. In future curbside pickup will illuminate the existing issues related to the ongoing online delivery methods.

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