Answer: Biological learning theory
Explanation: If we take into consideration what we know about Piajet's theory, we can clearly see how a lesson is affected in terms of deliverance and instruction.
To this author, learning is a constructive process in which we learn the basis and then continue to perfect it; A lesson should start by explaining the basic terms of a topic and then going onwards with it. The education system is structred like this, according to the age of the person is what they are going to learn and then perfect it as they grow older.
Answer:
A. The US population increased slightly during that time
Explanation:
I believe the answer is: proximodal trend
Proximodal trend refers to the period when children started to develop more specific muscle/ motor skills.
For people in general, our upper body tend to be developed at much faster rates compared to our lower body, which cause infants having to crawl first before they are able to walk.