Ruben wants to determine if listening to different types of music will have an effect on a person's pulse his hypothesis states that if people listen to rap music their pulse will increase more than if they listen to other types of music ruben takes each participants pulse before during and after listening to 30 minutes of rap music he has his mother listen to rock music his sister listen to classical music and his friend listen to rap music from data collected h determine the rap music raise a person post the most 1.identify the independent and dependent variables 2. despite the results this is not able to support ruben hypothesis suggest specific improvements that will make the experiment test the given hypothesis explain why these changes are improvements