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Some studies show that high school students are more successful when the school day begins after 9 am. To test this theory, Lake High School changes its school day start time from 7 am to 9 am. Which of the following methods would best describe the study above? A. controlled experiment B. experimental study C. survey D. observational study

Respuesta :

The method that would best describe the study above is D. observational study

What is observational study?

In observational studies, the impact of a risk factor, diagnostic test, treatment, or other intervention is observed without an attempt to alter who is or is not exposed to it. There are two categories of observational studies: cohort studies and case control studies.

Observational studies, often known as epidemiological studies, are those in which the researcher does not influence the study subjects but rather observes the associations that naturally exist between causes and outcomes. This was illustrated in the case regarding the students.

Learn more about observation on:

https://brainly.com/question/26573755

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