What type of scale of measurement of the checking phones

Reference no: EM133277823

Question: A team of researchers are interested in seeing if students who check their phones are more likely to get worse grades in the class. To measure the "phones" variable, the researchers placed unobtrusive video recording devices in the large lecture classrooms. Later, coders view tapes of the classrooms and record how often students in each classroom checked their phones during class. To measure the "grades" variable, they used student exam scores in the class.

a. What type of scale of measurement (categorical, ordinal, interval, or ratio) of the "checking phones" variable and how do you know?

b. What kind(s) of reliability would need to be evaluated for the "checking phones" measure?

c. Draw a scatterplot or describe a result that would indicate that the phone measure has good reliability of the type you listed in (b). Please label your axes mindfully.

d. In your scatterplot, what does one dot represent?

Reference no: EM133277823

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