The researchers kept their identities secret because, if they had revealed that their purpouse was to conduct an experiment on the behaviours of the people in the bar, it might have triggered that some people changed their usual attitudes because they know that their 'figures' will be kept in a record.
Maybe some people will drink less as they feel embarrased if some other person is testing how many beers they end. Others, might want to prove themselves 'strong' and drink much more than usual. People change their behaviour sometimes when they are aware that they are watched. This is called the observer effect.
Answer:
d. viewing violence
Explanation:
Researchers believes that a child who observes violent behaviours around him or her or in the televisions will start acting violently because this behaviours are reinforced over time.
This idea is supported by the Social Learning Theory which states that a child will act aggressively if exposed to aggressive behaviours over a long period of time, these behaviours become implanted in them and they will believe aggressive behaviours is the right response to certain conditions.
Citizen or stranger, whom i think wise. because of this occupation i do
