Each square contained only one token on a given trial.
We cannot, therefore, say whether the owls perceived both the lead and lag sounds on a given trial or just the one to which it turned.
On a given trial, the subject first received one stimulus (first odor) and ranked its pleasantness on a visual analogue scale (VAS).
Isolation of singles involved three steps: determining whether, on a given trial, the flash elicited zero, one or more rhodopsin isomerizations; determining when thermal events occurred; and linking responses that occasionally stretched across epochs.
All had the same color and size on a given trial, but the exact color could be one of eight salient colors and was randomly determined on each trial.
Outcomes were closely in line with the presented probabilities and were fair such that on a given trial, the more that avoiding anticipated regret predicted one's choice, the more likely one was to avoid regret.
On a given trial, each box was placed on the participant's palm in succession.
Nor does it completely specify the probability of choosing a particular option on a given trial (e.g. [34], [56]).
The pool of masking images was randomised so that no mask was repeated on a given trial.
That is, even after participants had received the first target on a given trial, the modality of the upcoming T2 (visual or auditory) remained unpredictable.
Moreover, participants were informed about the superordinate picture category on a given trial less than a second before the pictures appeared.
