Paired sample t-test of three kinds of efficiency in the first and third stages
| TE | PTE | SE | ||||
| Stage 1 | Stage 3 | Stage 1 | Stage 3 | Stage 1 | Stage 3 | |
| Mean | 0.788 | 0.809 | 0.876 | 0.883 | 0.903 | 0.917 |
| SD | 0.155 | 0.146 | 0.143 | 0.129 | 0.113 | 0.103 |
| t | −2.451 | −1.237 | −2.264 | |||
| P | 0.017 | 0.22 | 0.027 | |||