| Factor | Mean | Std. Deviation | %of Relative Importance Index | t-value | P-value | Rank |
|---|---|---|---|---|---|---|
| The cost of the project is provided to the donor and a regular payment mechanism is established. | 4.33 | 0.750 | 86.52 | 16.669 | 0.000 | 1 |
| Sufficient experience with the owner and his crew. | 4.21 | 0.910 | 84.27 | 12.574 | 0.000 | 2 |
| Consider the criteria of reputation and pre- performance in addition to the degree of classification of the contractor among the criteria of submission. | 4.20 | 0.756 | 84.04 | 14.993 | 0.000 | 3 |
| Follow the designs up-to-date. | 4.03 | 0.761 | 80.67 | 12.823 | 0.000 | 4 |
| Ability to coordinate and enjoy the spirit of teamwork. | 4.02 | 0.797 | 80.45 | 12.097 | 0.000 | 5 |
| Reliance low price bidding. | 3.97 | 0.665 | 79.33 | 13.711 | 0.000 | 6 |
| The adoption of contracts suited to the nature of work. | 3.84 | 0.987 | 76.85 | 8.051 | 0.000 | 7 |
| Training and the continuous technical progress of the owner's team. | 2.94 | 1.317 | 58.88 | -0.402 | 0.688 | 8 |
| Total | 3.94 | 0.434 | 78.88 | 20.524 | 0.000 |