Behavioural data.

Participants’ accuracy, reaction time on correct responses (RT) and subjective ratings of motivation, stress and difficulty. Average scores are presented for the feedback sessions (FS) and the no feedback sessions (NFS) for task and trait feedback respectively. Motivation and stress scores were assessed at three time points for each feedback type. Difficulty scores were assessed after FS and NFS. The scales ranged from 1–10 where low number indicated low motivation/stress/difficulty.* = practice was made with corresponding feedback.Behavioural data.