Aresearcher looking for gender differences in 3-yearolds observes a preschool class and records how many minutes children of each gender play with dolls. she then compares the two sets of numbers. what type of descriptive research is she conducting?
a. case studyb. experimentc. random sample methodd. naturalistic observatione. survey

naturalistic observation

Explanation:

Observation is one kind of descriptive sturdy. It can be naturalistic or laboratory. Naturalistic observation is a research method in which the researchers observes subjects or participants in their natural environment or setting without any manipulation. Here, the researcher observes what naturally occurs in the classroom.  

answer; ok in rural area most people depend on private transportation(cars),pick up truck,donkey and buggy: ),and urban people can walk or ride public transportation,bus,train cab,uber.

answer; john stuart mill's principle of utility is your answer; /// good luck