science

This year for my science fair project I will be testing to see if music affects a person's blood pressure. I will have a participant get relaxed (for 5 minutes). After he/she is relaxed, I will take his/her blood pressure with a digital sphygmomanometer (instrument used to take your blood pressure). I will record the reading. I will then have the participant listen to the first music selection. After the song is over, I will retake their blood pressure. I will record this information. I will repeat this process with all the 7 music styles I have. They will be listening to the music with an IPod.
I know exactly what I am going to do for my experiment, but I'm not sure how to word the problem/question of my experiment. Should I say 'How Does Music Affect a Person's Blood Pressure' or 'Do Different Types of Music Affect a Person's Blood Pressure in Different Ways?' I'm not so sure. If I include the word(s) 'How' and 'Affect' in my problem/question of my experiment does 'How' (in the title 'How Does Music Affect A Person's Blood Pressure') mean does music affect blood pressure or not, Or In what ways does music affect blood pressure? Thank you!

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asked by Anonymous
  1. Does your research of previous work indicate that music affects blood pressure? If so, then you can use any of the beginning sentences and title, although my preference is the second one. If not, then you might want to make your title and beginning sentence more general.

    Hint: Use a Latin Square design for the sequences of the music pieces, so you will nullify any effect of the sequence position for each type of music.

    https://www.google.com/search?client=safari&rls=en&q=Latin+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl

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    posted by PsyDAG

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