WILL GIVE BRAINLIEST!!
Which research method would be most appropriate for investigating the relationship between the number of hours teenagers sleep and the amount of caffeine consumed on a daily basis?
Case study
Experiment
Laboratory observation
Naturalistic observation
Survey
Because if you think about it carefully you really cant observe it. Your main goal is to compare them and with that we need a survey to get the data from both sides. Leaving us with the Survey