Table 4 Paired sample t-test results of attention distribution Q value
Pairing Difference | t | Degree of Freedom | Significant P (Two-tailed) | |||||
|---|---|---|---|---|---|---|---|---|
Average (E) | Standard Deviation | Standard Error Mean | 95% Confidence Interval for the Difference | |||||
Lower Limit | Upper Limit | |||||||
Control - 60 dB | −1.061 | 2.758 | .737 | −2.664 | .521 | −1.453 | 13 | .170 |
Control - 70 dB | 1.146 | 3.483 | .930 | −.868 | 3.153 | 1.228 | 13 | .241 |
Control - 80 dB | 5.029 | 3.852 | 1.029 | 2.704 | 7.152 | 3.989 | 13 | .000 |
Control - 90 dB | 6.173 | 5.096 | 1.413 | 5.074 | 11.233 | 4.961 | 12 | .000 |
Control - 100 dB | 6.665 | 5.709 | 1.595 | 5.369 | 8.850 | 5.134 | 7 | .000 |
Control - 110 dB | 7.023 | 6.124 | 1.973 | 7.449 | 12.395 | 5.930 | 7 | .000 |
Control - 120 dB | 8.235 | 6.802 | 2.023 | 8.349 | 11.044 | 6.395 | 7 | .000 |