How Does Volume Affect Heart Rate?
I. Title – The Effect of Volume on Heart Rate
II. Problem/Research question – Your heart rate can be affected and changed using a variety of things. One thing that can cause your heart rate to change is the volume of audio. How does the volume of an audio track affect your heart rate? If the volume of an audio track is increased, the number of hearts beats per minute will increase as well.
III. Variables – ❖ Independent Variable ➢ The volume of the audio track ❖ Dependent Variable ➢ Heart rate of participants measured in beats per minute (bpm) ❖ Controlled Variables ➢ Audio Track ➢ iFrogz headphones ➢ MacBook Laptop ➢ 15 seconds for calculating bpm
IV. Materials – ❖ Audiocheck-1.net_puretone_1000_80 sound file ❖ MacBook Laptop ❖ iFrogz headphones ❖ iTunes ❖ Timer ❖ Paper ❖ Writing utensil
V. Picture or diagram of lab setup –
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| |
II. Problem/Research question – Your heart rate can be affected and changed using a variety of things. One thing that can cause your heart rate to change is the volume of audio. How does the volume of an audio track affect your heart rate? If the volume of an audio track is increased, the number of hearts beats per minute will increase as well.
III. Variables – ❖ Independent Variable ➢ The volume of the audio track ❖ Dependent Variable ➢ Heart rate of participants measured in beats per minute (bpm) ❖ Controlled Variables ➢ Audio Track ➢ iFrogz headphones ➢ MacBook Laptop ➢ 15 seconds for calculating bpm
IV. Materials – ❖ Audiocheck-1.net_puretone_1000_80 sound file ❖ MacBook Laptop ❖ iFrogz headphones ❖ iTunes ❖ Timer ❖ Paper ❖ Writing utensil
V. Picture or diagram of lab setup –
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| |
Bibliography: – "Do Loud Noises Affect Heart Rate?" Infoplease. Infoplease, n.d. Web. 21 May 2013. Hunter, Chad. "How Does Sound Affect Heart Rate? | EHow." EHow. Demand Media, 10 Nov. 2009. Web. 21 May 2013. McGrath, Meaghan, Chelsea Moore, and Ashley Nelson. "The Effects of Volume on Heart Rate and Blood Pressure." The Effects of Volume on Heart Rate and Blood Pressure. N.p., 2006. Web. 21 May 2013.