Respuesta :
E. All of the above reasons are applicable because a result of an experiment varies due to many reasons.
A study type known as experimental research strictly adheres to a scientific research plan. It entails putting a hypothesis to the test or making an effort to verify it through experiments. In a scientific experiment, a control group is used to isolate the impact of an independent variable and establish a cause-and-effect association.
A hypothesis outlines your expectations for the results of your investigation. It is a speculative, untested response to your research question. Any variance in the dependent variable can be linked to the independent variable when a control group is used.
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Complete Question:
Scientists are often hesitant to believe the results of a single experiment testing a particular treatment, even when the results are peer-reviewed and statistically significant. This is because:
a. the experimental and control groups may not have been as alike as possible
b. if the experiment used a model organism, the results may not be true for humans
c. a single experiment may not have eliminated many alternate hypotheses
d. unintentional biases may have affected the results of the experiment
e. All of the above
