Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results of the Student’s t-Test procedure that was carried out for each color background threshold under study. Value of means, standard error (S.E.) and confidence intervals that were obtained are reported.
| Color Background Thresholds (∆t) | Mean Values of Colored Pixels (µO.H. Pixels ± S.E.) | Confidence Intervals of Colored Pixels at 95% (Pixels) | Significance |
|---|---|---|---|
| 1 | 4879 ± 203 | 4480–5277 | p < 0.01 |
| 3 | 513 ± 20 | 473–552 | p < 0.01 |
| 5 | 132 ± 3 | 126–138 | p < 0.01 |
