Answer:
Prior to Taylor and Brown's (1988) important article, it had always been assumed that being realistic is a cornerstone of good mental health.
Explanation:
Before the research put up by Taylor and Brown, sociologist and mental health practitioners believed that being realistic helps to maintain a good mental health.
However, studies made by Taylor and Brown showed that having positive illusions are actually the factors which promote good mental health. Positive illusions help people to stay happy and it also increases their self-esteem.
