Date of Conferral

2019

Degree

Doctor of Business Administration (D.B.A.)

School

Information Systems and Technology

Advisor

Natalie Casale

Abstract

Although the project management role is increasing, project failure rates remain high. Project time and cost are 2 project factors that can affect the performance of the projects. The purpose of this correlational study was to examine the relationship between time estimation, cost estimation, and project performance. Data collection involved a purposive sample of 67 project sponsors, managers, and coordinators in Qatar. The theoretical framework was the iron triangle, also known as the triple constraints. Participants were randomly invited to answer 18 questions using the project implementation profile instrument. A standard multiple regression analysis was used to examine the correlation between the independent variables and the dependent variable. A significant linear relationship was found of time estimation and cost estimation to the project performance, F (2,63) = 24.57, p < .05, R = .66, R2 = .44, and adj. R2 = .42. The null hypothesis was rejected that there was no relationship between time estimation, cost estimation, and project performance. The statistically proven findings of the study might provide researchers and practitioners with microlevel information about project factors that influence project performance. The increased rate of project performance might bring about social change by leading to the improvement of local communities, increasing business performance, increasing economies' sustainability, increasing the quality of life, opening new business opportunities, and increasing the rate of employment.

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