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A researcher is investigating the toxicity of caffeine on mammals. The researcher exposes laboratory rats to increasing levels of caffeine and measures the percentage of specimens that show adverse effects. In this experiment, the level of caffeine is considered the ___________ variable while the activity and survival of the rats would be the ____________ variable. In order to increase validity before publishing the research, the researcher should _____________ the trials. In this published research, the author should be clear about the methodology so other researchers could _________ the experiment.
Responses: Control - Replicate - Repeat - Dependent - Independent

Sagot :

ajinems

A dependent variable is the variable that changes as a result of the independent variable manipulation. The blanks are thus filled below.

What are the types of variables?

A variable is the data that is under investigation which may be a dependent or independent variables.

In this experiment, the level of caffeine is considered the independent variable

while the activity and survival of the rats would be the dependent variable.

In order to increase validity before publishing the research, the researcher should repeat the trials.

In this published research, the author should be clear about the methodology so other researchers could replicate the experiment.

Learn more about research here:

https://brainly.com/question/25257437

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