Question: Experiment or observe? Explain whether an experiment or an observational study would be more appropriate to investigate the following: a. Whether caffeine has an effect

Experiment or observe? Explain whether an experiment or an observational study would be more appropriate to investigate the following:

a. Whether caffeine has an effect on long-term memory.

b. Whether multitasking in class affects the grades of business students.

c. Whether studying abroad tends to be associated positively with international labor market mobility later in life for university graduates.

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