Ramona is conducting research that examines the softest sound that the average human can hear from 20 feet away. this is most similar to the earlier research conducted by

The correct answer would be, This is most similar to the earlier research conducted by Gustav Fechner.

Explanation:

Gustav Fechner was a German Philosopher, Physicist and experimental Psychologist. He was born in 1801 and died in 1887. He was the pioneer in experimental psychology.

His one of the many researches include the research that examines the softest sound a person could hear if he is presented with sounds of different intensities.

So a very similar research has been conducted by Ramona, who conducted a research that examines the softest sound that the average human ear can hear from 20 feet away.

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