From the information provided, the it is correct to state that the researchers conclusions were warranted. This is because there was an experiment involving controllable and non-controllable variables.
What are the independent variable?
The independent variables are;
- The sun
- Hunger and affinity for the blood to be tasted
- Hunger and affinity for Fresh Human Flesh
- Hibernation during the day.
What are the dependent variables?
The dependent variables are:
What is the confounded variable?
- The drilling of the skull of the non-control bats;
What is one method to "unconfound" the experiment?
To unconfound the experiment, one would have to eliminate the process of skull drilling.
Learn mor about experiments;
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