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Table 8

MEAN DIFFERENCES BETWEEN RATINGS OF MATCHED PAIRS OF ELIMINATED PILOTS AND THEIR SUCCESSFUL CONTROL PILOTS ON CERTAIN PILOT BEHAVIOR EVALUATED BY CAPTAINS OF IDENTICAL FLIGHT CHECKS

[[7 Columned Table]]

| Pilot Behavior | Number of Pilots in each group | Numbers Ratings on each group | Mean difference (C-E) | S.E. of Mean Difference | t.ratio | Level of Significance |
| --- | --- | --- | --- | --- | --- | --- |
| Contact Flying Ability | 85 | 107 | .64 | .101 | 6.337 | 1% |
| Flight Performance |
| Navigation |
| Enroute Flying Ability |
| Air Work |
| Execution of Flight |
| Instrument Flying Ability | 85 | 363 | 2.89 | .688 | 4.201 | 1% |
| General Instrument Work |
| Let-down and Approach |
| Use of Navigational Aids |
| Smoothness and Accuracy |
| Beam Orientation |
| Approach and Landing (Contact) | 28 | 148 | 3.11 | .611 | 5.090 | 1% |
| Takeoff and Climb (Contact) | 28 | 201 | 1.73 | .352 | 4.915 | 1% |
| Flight Planning and Analysis | 57 | 97 | .66 | .131 | 5.038 | 1% |
| Demonstration of Route Knowledge | 57 | 57 | .43 | .089 | 4.831 | 1% |
| Demonstration of Knowledge of Mechanical Details | 42 | 42 | .04 | .065 | .615 | not significant |
| Observance and Knowledge of Regulations | 77 | 154 | .60 | .161 | 3.727 | 1% |
| General Progress in Comparison with Others | 51 | 51 | .78 | .105 | 7.414 | 1% |