The goal-gradient effect means people work harder when they feel close to done. A progress bar does not just show progress. It can change motivation by making users feel they have already started and should…

pretty much

your brain hates blank space, so it fills it with the nearest sample: you

In 1932, the behaviorist Clark Hull proposed what he called the goal-gradient hypothesis: animals put in more effort as they get closer to a reward.

think of it like designing a hotel room while standing in your own bedroom. everything feels obvious because you know where your socks are

annoyingly, no

asking helps, but the chapter is warning you about the gap between what feels true and what survives contact

Most designers who build progress indicators are thinking about user anxiety. They add the component because users felt lost, or because someone in a meeting said…

yep. the meter changes what people do is the trap door

then it shows up as linkedin made the task feel underway

Then in 2006, researchers Joseph Nunes and Xavier Drèze ran a field experiment at a car wash.

make the hidden assumption visible before the review starts

then test the behavior, not just whether the room nods

and if a choice only works for informed, patient, caffeinated people, treat that as a bug

that’s the series tbh

design psychology is mostly noticing the human nonsense before it ships

deal. hydrate first