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Deconstruction of Investigation - Coggle Diagram
Deconstruction of Investigation
Extraneous Variables
Initial Heart rate being higher
than others before experiment
e.g sports
Inaccurate recording of heart rate monitor
Impact on Data
Due to the participants being spread apart in the class, some students were closer to the speakers compared to others. This could have affected the increase of heart rate for those closer to the speakers
When having an initial heart rate higher than other people due to playing sports or other activities that would increase heart rate, the songs could affect their heart rate only a tiny bit compared to others. This would once again create a randomly distributed data
When the heart rate monitor was not recorded accurately, in the final survey where the data is collected, a wrong data would be recorded down which would result in a randomly distributed data
When the participants were distracted in the experiment and not listening to the music being played, their heart rate could have not been affected equally to other participants. This is because whatever they were getting distracted to could have increased their heart rate more/less than the music should have creating an inaccurate data
Volume of the speakers
Distraction
Independent Variables
Different type of music
Potential Propblems
Possibility of participants listening to these type of songs frequently
This would result in not much change in heart rate which could affect the data
Research Design Type
The design type of this investigation was an experimental with the results being an objective quantitative data
Advantage:
The advantage of conducting an experimental experiment allows, to test the theory out by trial and error
Disadvantage:
Due to the dependent variable being a quantitative data, there is no way of describing the participants in words. This is ideal as it allows them to tell what they normally listen to or what they have done just before experiment such as sports
Dependent Variable
The heart rate of participants after listening to music
Potential Problems (advantages & disadvantages)
Heart Rate monitor was used (polar monitor)
Advantage:
Using a Heart Rate monitor is much more accurate than placing two fingers on an artery and counting them
Disadvantage: Although using a Heart Rate monitor is much more accurate, the polar model did not record the highest and lowest bpm, giving a possibility of participants missing a few results
Sample Size
Potential Problems
The sample size was too small for a conclusion to be drawn
In the year 2021, energetic music and calming music could be the trend where everyone listens to it
Other Areas of Interest for Research
The relationship between the effect of different music to male compared to female
The effect on participants' heart rate after listening to songs from other cultures they do not understand
The effect on participants' heart rate after listening to lyrical songs compared to non lyrical songs
Would the speed of the song determine the level of affect to the participant's heart rate