Methodology
The questionnaires used to gather data were designed in accordance with the study
objectives, the literature and the research hypotheses. Two kinds of questions (open-and closed-ended questions) were adopted for top management, project managers,
functional managers, and project team members. These questions were multiple choice
type. Additionally, interviews were conducted for further analysis. The questionnaires
were pilot tested to improve them before the field survey.
The target population for this study was people involved in oil and gas construction
projects in Vietnam in the middlestream and downstream project groups of Vietnam Oil
and Gas Corporation (PetroVietnam). Since, PetroVietnam is the major player in the oil
and gas industry in Vietnam, it represents the oil and gas industry in Vietnam.
Questionnaire respondents were top managers, project managers, functional managers,
risk experts, project team members, and other relevant staff of Petro Veitnam.
Primary data were collected by questionnaires and in-depth interviews, and
secondary data were also collected from various sources.