When reading a play it is easier to imagine what's happening on stage if the stage directions there. We can picture how the actors are looking and what they're doing. And if you are acting in the play itself then it gives you information for what your character does next whether its 'exit stage left' or 'enter stage right' for example.
Answer:
A university study published in an academic journal sampling 1,835 adults conducted in 2015 combined with statistical data on business trends over time.
Explanation:
The university study was produced through extensive research, including the presence of a large number of volunteers and a thorough analysis of statistical data. With that, we can say that this is the most reliable source, among the sources presented. This is because this source, in addition to having scientific evidence on, presents impartial arguments resulting from research and not an opinion.
