ELI5: Explain Like I'm 5

ACT-R

Alright kiddo, let's talk about act-r.

Imagine you're playing with building blocks, and you have a bunch of different shapes and sizes to choose from. You want to build a castle. But how do you decide which blocks to use and how to put them together? That's where your brain comes in.

Act-r is like a computer program that tries to mimic how your brain works when you're doing something like building with blocks or solving a puzzle. It's called a "cognitive architecture," which means a way to model how your brain processes information and makes decisions.

Act-r stands for "Adaptive Control of Thought-Rational." That's a big fancy name, but basically it means that act-r tries to use rational or logical thinking to figure out the best way to do something.

So let's say you're building that castle again, but this time you have act-r helping you out. Act-r takes in information about the blocks you have available, your goal of building a castle, and any rules or constraints that might affect your choices (like maybe you can't use two blocks that are the same color next to each other). It "thinks" about all the possible combinations of blocks and decides which ones make the most sense to use in order to achieve your goal.

Act-r also tries to take into account things like how long it will take to build the castle, how much effort it will require, and how much it will impress your friends when you're done.

Of course, act-r isn't perfect. Just like sometimes you might get stuck and need help from a grown-up when you're building with blocks, act-r sometimes needs help too. But overall, act-r is a cool way for scientists to understand more about how the human brain works, and how we can use that knowledge to create smarter and more efficient computer programs.