Final answer:
The work on optimistic thinking referenced in the question is attributed to Martin Seligman. He is known for his contribution to positive psychology, particularly with his theory of learned optimism that outlines benefits to mental and physical health.
Step-by-step explanation:
According to the work of Martin Seligman and colleagues, optimistic thinking is a good thing! The correct answer is c) Seligman. Seligman is well-known for his work in positive psychology, specifically his research on learned helplessness, as well as his theory of learned optimism. This theory suggests that optimism can be cultivated and is associated with better mental health outcomes such as reduced levels of depression and anxiety, as well as physical health benefits. Seligman's theory sharpens our understanding of the impact of a positive mindset on overall wellbeing.
The correct answer is c) Seligman. According to the work of Seligman and colleagues, optimistic thinking is considered to be a good thing. Seligman is a well-known psychologist who has made significant contributions to positive psychology and the study of optimism. His research focuses on understanding the factors that contribute to happiness, well-being, and resilience.