Determine whether the study is an observational study or an experiment. Explain. To study the effects of social media on teenagers' brains, researchers showed a few dozen teenagers photographs that had varying numbers of "likes" while scanning the reactions in their brains. The study is ▼ an experiment, observational, because it ▼ does not apply applies a treatment to the teenagers.

Experiment

Explanation:

An experiment is carried out to check the outcome of a factor and to validate an hypothesis. In an experiment we have experimental samples and treatment the treatment can be few or many. The study is said to be an experiment because the researcher included a treatment and he had a controlled over the treatment which was scanning the reactions in their brain, it also become an experiment because it pressed further in knowing the factors affecting the teenagers which is what an experiment does observational research involves making findings via observations and treatment involved or the independent variable cannot be controlled because of ethical bias.

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