Table 3 Paired sample t-test results of correct times to sound and light stimuli
Pairing Difference | t | Degree of Freedom | Significant P (Two-tailed) | |||||
|---|---|---|---|---|---|---|---|---|
Average value (E) | Standard Deviation | Standard Error Mean | 95% Confidence Interval for the Difference | |||||
Lower Limit | Upper Limit | |||||||
Sound Control - 60 dB | .785 | 5.146 | 1.375 | −2.185 | 3.757 | .571 | 13 | .578 |
Sound Control - 70 dB | 1.285 | 9.769 | 2.611 | −4.355 | 6.926 | .492 | 13 | .631 |
Sound Control - 80 dB | 7.785 | 11.178 | 2.987 | 1.331 | 14.239 | 2.606 | 13 | .022 |
Sound Control - 90 dB | 11.461 | 10.829 | 3.003 | 4.917 | 18.005 | 3.816 | 12 | .002 |
Sound Control - 100 dB | 4.750 | 2.764 | .977 | 2.438 | 7.061 | 4.860 | 7 | .002 |
Sound Control - 110 dB | 8.125 | 3.270 | 1.156 | 5.390 | 10.859 | 7.027 | 7 | .000 |
Sound Control - 120 dB | 11.500 | 2.828 | 1.000 | 9.135 | 13.864 | 11.500 | 7 | .000 |
Light Control - 60 dB | −1.071 | 2.758 | .737 | −2.664 | .521 | −1.453 | 13 | .170 |
Light Control - 70 dB | 1.142 | 3.483 | .930 | −.868 | 3.153 | 1.228 | 13 | .241 |
Light Control - 80 dB | 4.928 | 3.852 | 1.029 | 2.704 | 7.152 | 4.787 | 13 | .000 |
Light Control - 90 dB | 8.153 | 5.096 | 1.413 | 5.074 | 11.233 | 5.768 | 12 | .000 |
Light Control - 100 dB | 4.250 | 1.281 | .453 | 3.178 | 5.321 | 9.379 | 7 | .000 |
Light Control - 110 dB | 7.125 | 2.100 | .742 | 5.369 | 8.880 | 9.596 | 7 | .000 |
Light Control - 120 dB | 10.000 | 2.618 | .925 | 7.810 | 12.189 | 10.801 | 7 | .000 |