________Was the Volcano That Erupted in 1815 and Is Credited

question 9

Short Answer

________was the volcano that erupted in 1815 and is credited with causing "the year without a summer".

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Definitions:

Random-Assignment Design

A research method used to evenly distribute participants across various groups by chance, minimizing pre-existing differences between those groups.

Control Group

In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effects of the treatment on the experimental group.

Independent Variable

The variable in an experiment that is manipulated by the researcher to observe its effects on the dependent variable.

Experimental Group

In research, a group of subjects who are exposed to the variable under investigation to assess its effect.