Determine whether the study depicts an observational study or an experiment. Upper A poll is conducted by a school's English department in which third dash grade students are askedA poll is conducted by a school's English department in which third-grade students are asked if they prefer to be in their English class or their science class. if they prefer to be in their English class or their science class. nothing Choose the correct description of the study. A. The study is an observational study because the researchers control one variable to determine the effect on the response variable. B. The study is an observational studyobservational study because the study examines individuals in a sample commastudy examines individuals in a sample, but does not try to influence the response variable. but does not try to influence the response variable. C. The study is an experiment because the study examines individuals in a sample, but does not try to influence the variable of interest. D. The study is an experimentexperiment because the researchers control one variable to determineresearchers control one variable to determine the effect on the response variable.