Answer:
Carol Dweck is a world-renowned psychologist best known for her book MindSet (2006). Dweck's fields of specialization in psychology are: mindset, success, achievement and motivation.
According to Dweck, "attributing poor performance to a lack of ability depresses motivation more than the belief that lack of effort is to blame". In other words, when an individual belies that (s)he lacks the ability to achieve a task, his/her performance suffers more compared to when s/he believes that lack of effort is the cause of poor performance.
The evidence Dweck provided for this claim was a study conducted at Yale University (1960), where the results indicated that when monkeys were unable to finish a challenge successfully, they attributed their failure to lack of belief in their abilities and perceived that task as beyond their control. As a result, these monkeys simply gave up on the task. In this way, "attributing poor performance to a lack of ability depresses motivation...".
<span>Not using the third-person point of view</span>
I think it was the Great depression not sure though
