"Failed the task" is perfectly correct and usable in written English.
You can use it in any situation where someone has attempted to complete a task but was unable to do so. For example, "Despite his best efforts, John failed the task".
That could be asking a lot, and the Philadelphia Phillies and the Milwaukee Brewers have already failed the task this month.
Poor Cleo, a comedian by trade, she failed the task that required housemates to make Big Brother laugh - despite spending two hours lovingly crafting a home-made turd as prop.
But when I tested Microsoft's version by deleting a mandatory system file and rebooting something GoBack handles with aplomb System Restore failed the task.
Visitors to the Big Brother web site decided by voting that the housemates had failed the task.
Those taking second-generation antipsychotics, compared with first-generation antipsychotics, failed the task more frequently due to impaired EDS performance.
Upon completing our first experiment, we conducted a follow-up with those apes that initially failed the task to assess the reasons for their failure and to see if a minimum amount of training would help them overcome their initial bias.
The game was set up so that as the participants succeeded, the tasks became harder, and as they failed, the tasks became easier.
However, it fails the task of visualizing both movement and contact data.
If the animal fails the task, it is gently guided to the escape box by the investigator and allowed to shelter there for 1 min. All animals were moved into the testing room 30 40 min prior to start of testing, and the maze was cleaned with 70% ethanol between animals.
Mischel is particularly excited by the example of the substantial subset of people who failed the marshmallow task as four-year-olds but ended up becoming high-delaying adults.
She then engineered it so that they failed the subsequent task, before watching to see what they'd do next.
