Answer
Observational study.
Work Step by Step
The parent group (the researcher) did not influence the production of the examined movies. That is, no attempt was made to influence the value of either the response or explanatory variables.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.