A questionnaire was developed to gather the research data. First, the respondents supplied personal information, such as years of experience. Then respondents were asked to think about one project that was recently completed and answer the questions in the next three groups. The first group was the general project information such as size, duration, strategic focus and type. The second group was the project success. Respondents were asked if they agree with the statements such as ‘This project came in on time or faster, the project met all specification requirements, and the project created financial benefit for your organisation’. A 5-point Likert scale (1 strongly disagree, 5 strongly agree) was provided for rating. The last group was the information regarding the frequency of use of each PMTT in each phase of the
project life cycle, rated by a 6-point Likert scale (0 means not applicable and 5 means more frequently used). In other words, for each PMTT, respondents were asked to rate how often they used PMTT in each specific phase. An
example of the questions includes: ‘How often do you use an analogous estimate in (1) the conceptual phase (2) planning phase (3) execution phase and (4) termination phase?’