1304 |
Five participants naïve to the hypothesis and our texturing work |
Five participants naïve to the hypothesis and our texturing work |
1305 |
performed the experiment in both conditions. |
performed the experiment in both conditions. |
1306 |
|
|
1307 |
\emph{Design and materials.} |
\emph{Stimuli.} |
1308 |
15 target backgrounds and 15 distractor backgrounds were randomly |
15 target backgrounds and 15 distractor backgrounds were randomly |
1309 |
chosen for both conditions. |
chosen for both conditions. |
1310 |
The distribution of the solid colors was the same that is used for |
The distribution of the solid colors was the same that is used for |
1311 |
the colors of textures with the difference that the highest |
the texture colors except that the highest |
1312 |
lighness tail was de-emphasized to increase the otherwise low |
lighness tail was de-emphasized to increase the otherwise low |
1313 |
discriminability of very light, unsaturated colors. |
discriminability of very light, unsaturated colors. |
1314 |
|
|
1354 |
|
|
1355 |
The results are summarized in Table~\ref{tableresults}. |
The results are summarized in Table~\ref{tableresults}. |
1356 |
A repeated measures analysis of variance indicates that |
A repeated measures analysis of variance indicates that |
1357 |
the observed superiority of the textures is statistically |
the average recognition performance is significantly better |
1358 |
significant [F(1,4) = 19.0, p = .012]. |
for the textures than for the solid colors [F(1,4) = 19.0, p = .012]. |
1359 |
% RT less for correct responses: [F(1,4) = 5.2, p = .082] |
%The recognition of solid colors was only almost statistically significantly |
1360 |
% |
%better than random [F(1,4) = 5.7, p = .075]. |
1361 |
%The recognition performance of the textures was good while |
%Whereas ``correct > incorrect'' for textures: [F(1,4) = 24.7, p = .0077] |
1362 |
The solid colors do not seem to have enough variation for unambiguous |
The solid colors do not seem to have enough variation for unambiguous |
1363 |
recognition. |
recognition. |
1364 |
|
% RT less for correct responses: [F(1,4) = 5.2, p = .082] |
1365 |
|
% RT different for textures and colors: [F(1,4) = .0, p > .1] |
1366 |
|
|
1367 |
|
|
1368 |
%Our experience shows that at least the most recurring textures |
%Our experience shows that at least the most recurring textures |
1369 |
%are not only recognized but can |
%are not only recognized but can |