THIS! Why did missing school under Covid have such bad outcomes? I don't know what happens in school (in person), but it must have been something or you would

THIS! Why did missing school under Covid have such bad outcomes? I don't know what happens in school (in person), but it must have been something or you wouldn't have seen such a dramatic change. To be specific: there was a big decrease in resilience in the face of difficulties (in addition to knowledge).