Discrepancy theory is when things don't match up the way we expect them to. Let's say we have two things - a sock and a shoe. We put on the sock and the shoe, but we realize that the sock is too small and doesn't fit our foot very well. This is a discrepancy because the size of the sock is not the same as the size of our foot.
Discrepancy theory is important because it helps us understand why things might not work the way we expect them to. It can apply to all kinds of things - from the way our bodies work to the things we do at school or work.
Sometimes, when things don't match up or work as we think they should, it can make us feel upset or confused. But understanding discrepancy theory can help us problem-solve and figure out how to make things work better. We can look for ways to adjust or change things to make them fit better or match up more closely with our expectations.