Supplementary table –Looking behaviour during the titration process and criterion sessions (noted in bold) for each subject in each condition. The plexiglas tray level was lowered between sessions if subjects looked on 75% or more of trials, and was raised between sessions if subjects looked on 25% or fewer of trials.

Subject name
Ramai / Sekali / Budi
Hidden vs. Visible / Tray level / Hidden / Visible / Tray level / Hidden / Visible / Tray level / Hidden / Visible
Session 1 / 4 / 100% / 50% / 4 / 8.3% / 8.3% / 4 / 100% / 100%
Session 2 / 3 / 58.3% / 0% / 5 / 33.3% / 0% / 3 / 100% / 100%
Session 3 / 4 / 41.7% / 8.3% / 6 / 100% / 16.7% / 2 / 100% / 100%
Session 4 / 5 / 100% / 58.3% / 6 / 91.7% / 58.3% / 1 / 91.7% / 25%
Session 5 / 4 / 100% / 16.7% / 5 / 83.3% / 8.3% / 1 / 91.7% / 20%
Session 6 / 4 / 100% / 25% / 5 / 100% / 16.7% / -- / -- / --
3 Cups vs.
1 Cup / Tray level / 3 Cups / 1 Cup / Tray level / 3 Cups / 1 Cup / Tray level / 3 Cups / 1 Cup
Session 1 / 4 / 100% / 100% / 4 / 100% / 100% / 4 / 100% / 100%
Session 2 / 3 / 75% / 25% / 3 / 91.7% / 75% / 3 / 100% / 100%
Session 3 / 3 / 66.7% / 41.7% / 2 / 83.3% / 33.3% / 2 / 100% / 100%
Session 4 / -- / -- / -- / 2 / 100% / 75% / 1 / 100% / 75%
Session 5 / -- / -- / -- / 1 / 83.3% / 8.3% / 1 / 100% / 58.3%
Session 6 / -- / -- / -- / 1 / 75% / 50% / -- / -- / --
Opaque vs. Transparent / Tray level / 2 Opaque / Trans-
parent / Tray level / 2 Opaque / Trans-
parent / Tray level / 2 Opaque / Trans-
parent
Session 1 / 4 / 50% / 50% / 4 / 100% / 91.7% / 4 / 100% / 100%
Session 2 / 4 / 83.3% / 75% / 3 / 100% / 83.3% / 3 / 100% / 100%
Session 3 / 3 / 8.3%% / 0% / 2 / 75% / 8.3% / 2 / 100% / 100%
Session 4 / 4 / 75% / 25% / 2 / 100% / 25% / 1 / 75% / 41.7%
Session 5 / 4 / 83.3% / 41.7% / -- / -- / -- / 1 / 58.3% / 0%