Table 1. Order of Discriminations.
Discriminations | Dimension | Exemplar combinations | ||||
Relevant | Irrelevant | Correct | Irrelevant | Incorrect | Irrelevant | |
Simple discrimination (SD) | Colour | - | C1 | C2 | ||
Retention (Ret 1) | Colour | - | C1 | C2 | ||
Simple reversal (SR) | Colour | - | C2 | C1 | ||
Retention (Ret 2) | Colour | Second bucket | C2 | Second bucket | C1 | Second bucket |
Compound discrimination (CD) | Colour | Shape | C2 | S1 | C1 | S1 |
Intradimensional shift (IDS) | Colour | Shape | C3 | S1, S2 | C4 | S1, S2 |
Intradimensional reversal (IDR) | Colour | Shape | C4 | S1, S2 | C3 | S1, S2 |
Extradimensional shift (EDS) | Shape | Colour | S1 | C3, C4 | S2 | C3, C4 |
Extradimensional reversal (EDR) | Shape | Colour | S2 | C3, C4 | S1 | C3, C4 |
C1 = blue, C2 = yellow, C3 = purple, C4 = green, S1 = cone, S2 = trapezoid.