Mr. McNiece wanted to see how different types of music affected students pulse rates. She played different types of music:heavy metal, rap, R&B, alternative, pop, country, and classical music. What constant should be considered when doing this experiment?

RESEARCH AND SCIENTIFIC METHODS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Mr. McNiece wanted to see how different types of music affected students’ pulse rates. She played different types of music:heavy metal, rap, R&B, alternative, pop, country, and classical music. What constant should be considered when doing this experiment?

A	types of music
B	use all dead people
C	using a different student for each music type
D	amount of time the music was played

Explanation:

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RESEARCH AND SCIENTIFIC METHODS