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What is an Experiment?

What is an Experiment?

An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...

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Related Experiment Video

Updated: Dec 31, 2025

Simultaneous ex vivo Functional Testing of Two Retinas by in vivo Electroretinogram System

Simultaneous ex vivo Functional Testing of Two Retinas by in vivo Electroretinogram System

Published on: May 6, 2015

The CER Experiment

Lois Shepherd¹

¹University of Virginia.

The American Journal of Bioethics : AJOB

|January 8, 2020

Summary

No abstract available in PubMed .

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