<span>The question says,'validity that involves how well a study is designed and administered is ...............validity. The correct option is A. internal validity refers to how well a research project was conducted. The objective of most projects is to show that one variable causes a change in another variable, therefore it is part of internal validity to ensure that more than one independent variable do not act at the same time.</span><span />
MaJority of problems of adolescence like such as substance abuse and delinquency are usually resolved in adolescene.
<h3>What is an
adolescence stage?</h3>
This stage is human life falls between 12 to 19 years which is known as period of transition between childhood and adulthood.
Hence, during this stage, majority of problems of adolescence like such as substance abuse and delinquency are usually resolved.
Therefore, the Option B is correct.
Read more about adolescence stage
<em>brainly.com/question/2025401</em>
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Answer:
True
Explanation:
Plato believes and insisted that change is the very essence of time. Although Everything changes, knowledge (reality) cannot. The truth will always remain the truth over time. If at any time it changes, then it cannot be said to be truth in the first place
