Answer:
It is an observational study
Explanation:
In an observational study, nothing changes, all the researcher has to do is to record findings, it is a study that involves the collection of data in a real-world setting without intentionally manipulating any variable. On the contrary, an experimental study involves the manipulation of variables, you have the control group and the test group, the test group is subjected to the treatment.
Charles Sidney Gilpin, a respected leading man from the all-black Lafayette Players of Harlem, was the first actor to play the role of Brutus Jones when it was first staged on November 1, 1920, by the Provincetown Players at the Playwright's Theater in New York City. This production was O'Neill's first real smash hit.
