For most people, no matter how far along they’ve gone in typing in their password, if they’re unsure of a character entered, they delete the whole password and re-type from scratch
For most people, if they enter their passwords wrongly once, due to keyboard deviations, for example caps lock mistakenly left on, they will almost always make the error again, before checking the keyboard for what could be wrong.
This is why it is naive to put people in boxes.
In the first scenario, the individual ignores sunk cost.
In the second scenario, the individual persists in sunk cost.
– Osasu Oviawe