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A/an _______ is a type of research that involves observation and collecting data but does not include a control. A. independent variable B. experimentation C. dependent variable D. investigation

User Geekchic
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2 Answers

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The answer is obvious, its obviously not A or C, so we can rule them out. Than we can look at B and D, Investigation and experimentation both need observation and data, But which one does not need a control? that would be D, an investigation. I hope that helped
User Eliza Weisman
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The correct option is D) Investigation.

By definition, there are two central variables present during an experiment,which is a scientific process in order to test or determine the impact of something.

One of them is the dependent variable, which means a variable that fluctuates according to other variables or factors. On the other hand, the independent variable is not controlled by other factors , it can stand on its own and is responsible for the changes caused in the aforementioned variable.

Finally, an investigation is a type of research that involves observation and collecting data but does not include control. This means that it involves examining evidence and check into a problem , statement,etc thoroughly but without depending on control or variables.


User Rosshamish
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