| Title | What makes a categorization task difficult? |
| Publication Type | Journal Article |
| Year of Publication | 2002 |
| Authors | Alfonso-Reese, L. A., F Ashby G., & Brainard D. H. |
| Journal | Attention, Perception, & Psychophysics |
| Volume | 64 |
| Pagination | 570–583 |
| Title | What makes a categorization task difficult? |
| Publication Type | Journal Article |
| Year of Publication | 2002 |
| Authors | Alfonso-Reese, L. A., F Ashby G., & Brainard D. H. |
| Journal | Attention, Perception, & Psychophysics |
| Volume | 64 |
| Pagination | 570–583 |