Question

a study randomly assigned people to one of the two groups. group 1 was asked to follow a strict study schedule for a fixed period of time whereas group 2 was asked to study in the same way as they used to earlier. the researchers looked at which group scored better in the exams. is this an observational or experimental study? experimental observational

Explanation:

In an experimental study, researchers manipulate variables (here, the study schedule). Group 1 has a changed study schedule (manipulation), while Group 2 is a control. Observational studies just observe without manipulation.

Answer:

experimental