HELPHow do you think cell phones affect attention in class? Describe an experiment you could perform to test your hypothesis. Include your hypothesis, operational definitions of your independent and dependent variables, who your participants would be, and how you would randomly assign them to experimental or control groups.

Students themselves realize that cell phones usage does not promote learning; in one survey, 80% of the students agreed that using a mobile phone in class decreased their ability to pay attention. In several surveys, students have reported that texting is distracting to nearby students.

your answer would be a) no nation can be economically self-sufficient.

stay in school!