Answer: From Piaget's theory of cognitive development, The concept of Object Permanence.
Explanation:Object Permanence, for the baby means that he is starting to understand that things can disappear although they aren't gone forever.
Since Jonathan's mom left him he began to cry because he did not want her to leave although he knows she won't be gone forever.
<span> the name for this device used for investigating learning in animals is called a: Skinner box
Skinner box is a projectional environment which could be controlled by the researcher to fulfill a certain condition.
The skinner boxes are usually made from transparent materials, which allow the researchers a full access to whatever happened inside the box.</span>
the answer is going to be recognition , explicit. hope that helped
