Question

Last night in class, Ariana's professor described a well-established body of principles about depression that was based on scientific evidence. Her professor was saying she will use this _____ to synthesize her observations and design an experiment to test her predictions.

Answer 1

Theory

Step-by-step explanation:

Last night in class, Ariana's professor described a well-established body of principles about depression that was based on scientific evidence. Her professor was saying she will use this theory to synthesize her observations and design an experiment to test her predictions.