Ms. Weatherbie, a music instructor, wanted to know if students who could read music were better in choir than students who could not read music. To find out, she took two groups of students and taught one group to read music in addition to learning the words to the songs; the other group only learned the words to the songs. This study is an example of

Experimental research

Explanation:

An experimental research is a study that strictly follows the scientific research design. It constitutes a hypothesis which is the basis on which the experiment derives conclusion, a variable which can be manipulated by the researcher(independent variables) such as making each group learn different number of items, and variables that can be measured, calculated and compared(dependent variables)

Experimental research

Explanation:

This study is an example of an experimental research. An experimental research is a study that adheres to the rules of scientific studies and it must include the following: a hypothesis, the study subject which is made up of the treatment group, and the control group, and it must include measurable variables.

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