Metacognition, also known as theory of mind, is a concept that was born in psychology and cognitive sciences to refer to the ability of human beings to attribute thoughts and intentions to other people or entities.
Experts believe that this ability is congenital. A person's metacognition faculty has a total ability to understand and reflect on their mental state and that of others.
In short, we can say that metacognition is learning about how the learning process works.
How do you prove that the distance between one black dot and one white dot is one unit ? You don't, because it's false. If all black dots happen to be on the line and white dots on the line (and the rest of the plane is neither white nor black), there is no such pair.
Internal validity would be the extent through which a record an accounting a reliable reason as well as effect correlation among both medications as well as consequence.
Perhaps it speaks to the fact that the original study ends up making it achievable to help reduce possible causes for something like a discovering.