How many categories should jane use to track multiple levels of information learned through a student survey on teachers at her school?
a. one category per teacher
b. only one teacher per category
c. as many categories as she needs to understand the results
d. none of these

In order to obtain better result for the survey it is recommended to make thoroughly. It might look complex, however it does not have to be so simple, as well. Because the collected data has to be unbiased in order to yield flawless results. Therefore, options A and B are not correct. Since we have option C where we have more freedom to work with data, we don't need the option D and the correct answer is C.