Sentence Correction (SC) | Re: Advanced SC: The increased popularity and availability of televisions

I have question about verb-ing and verb-ed modifier

How to determine which one should be use and what decision making factor we should think about:

Please correct me if I am wrong, I know that the following structure:

Using experiment conducted by an expert, student concluded that......
Used experiment conducted by an expert, student concluded that......

The correct one supposes to be Using experiment conducted by an expert, student concluded that......

The decision-making point is whether
...

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