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Item type:Publication, BIM adoption among contractors: A longitudinal study in Peru(American Society of Civil Engineers, 2022-10-17)Building information modeling (BIM) adoption in construction remains a challenge, yet no empirical studies were conducted to gauge adoption behavior changes over time. Such a longitudinal study of BIM adoption would be particularly significant at this pivotal point in the history of construction, as it undergoes a worldwide digital transformation. In some contexts, BIM adoption has been led by contractors without policy intervention; thus, contractors’ adoption behaviors must be understood before policymakers enact top-down interventions for public construction in entire supply chains. Two cross-sectional data sets were collected in 2017 (N=303) and 2020 (N=171) in Lima, Peru, to evaluate changes in a modified technology adoption model (TAM) regarding BIM adoption. Confirmatory factor analysis (CFA), structural equation modeling (SEM), and ANOVA were used to analyze the data. This study shows that contractors adopt BIM if they believe that BIM helps to improve project performance, rather than their own individual performance. Similarly, contractors are concerned with the easiness of implementing BIM in firms and projects rather than the ease of learning BIM. Overall, perceived usefulness to project, perceived ease of implementation, and intention to use BIM had a significant change between 2017 and 2020. Although BIM implementation increased from 25% to 39% at the project level, the adoption at the user level has not significantly changed. This finding suggests that contractors value supply chain/project level implementation benefits rather than successful individual adoption. The results also show that contractors rely on in-house BIM teams or outsourced consultants to carry out BIM-related tasks. However, this would depict a within-firm digital divide between BIM teams and site management. The results are discussed in the context of national change as a BIM policy for public construction was announced by the Peruvian government in 2019. The findings of this research may be used by decision makers to target specific groups of professionals on educational programs. Policymakers could use the findings to inform roadmaps for BIM adoption in Peru and similar countries. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Requirements Validation in the Information System Software Development Lifecycle: A Software Quality in Use Evaluation(Pleiades Publishing, 2023-12-01)Abstract: The Peruvian government adopted the ISO/IEC 12207 standard and established its mandatory implementation in public entities to improve the quality of the software products. In this context, software requirements validation tasks were introduced to improve the quality of the software product. In this study, the relationship between the improvement of software requirement quality and the software product quality in use was explored and analyzed. Analysis was based on the design of software product quality-in-use and the measure of metrics from ISO/IEC 25010 standard in two software products. The results show that the validation activities introduced in the software requirements stage have a positive relationship with the quality in use of the software products analyzed. In the software studied, it can be said that the improvement of the quality of the requirements has contributed to the improvement of the quality in use of software products. In this case, it has increased time efficiency to complete tasks by 45%, reduced errors for a task by 40%, the number of tasks with errors by 47%, the cost of time to perform tasks by 29%, and unnecessary actions by 53%. In addition, overall satisfaction, user pleasure, information quality, and interfaces quality are the metrics that significantly improve.