Answer: Zone of proximal development
Explanation: The zone of proximal development could be explained as the difference between the period when a child begins to develop signs of independence, that is ability to perform task without adult tutelage or guidance and the period of child dependence, that is when a child can only perform task only with the help or assistance of an adult.
As the child starts to demonstrate signs of independence or capability, that us showing signs of having acquired enough and ripe to do things on his/her own, adult assistance is being withdrawn so the child could have more liberty. This shows adults' direct involvement in the children's zone of proximal development.
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I believe the answer is: when you do something with as little waste as possible
Maximum efficiency is achieved if you manged to obtain the maximum benefit while making the least amount of expense as possible. In managing your daily life, this could be achieved by making sure that your time is spent carefully so it give as little waste as possible.
The type of research method which the researcher is using is known as:
<h3>What is Research?</h3>
This refers to the systematic study of a phenomena so as to understand the why, where and how and how to possibly replicate the situation with the aid of scientific method.
With this in mind, we can see that the said researcher who is observing young children playing without obstructing or intervening is making use of the research method known as naturalistic observation.
Read more about research here:
brainly.com/question/968894
