Question

The local librarian collects data about the types of books that are checked out so that she can place a new book order accordingly. She records the type of book checked out other person each day for three weeks. Identify the study method below. observational study controlled experiment survey

Answer 1

According to the given information, the study method here is observational study.

Mainly because she is not using survies, nor controlling variables for the experiment. She is just taking data from the events as they are.

Hence, the answer is A. observational study.