What is "Self-consequences" and the difference between "Effort" and "Time on task"?

Asking why, what are you going to do next, how would you improve etc. are self-consequences. Effort and time on task – the latter can be less predictive if the time on task is not purposeful and appropriately focused. Effort is more about the motivation to apply and give the time” (John Hattie, personal communication, January 26, 2019).