Who created the Blue Monday theory, and in what year was it first made public?
What specific organization paid for the development of Blue Monday, and what was their motivation for doing so?
According to Cliff Arnall’s hypothesis, why was finding the "most depressing day of the year" useful for a travel network?
What are at least four variables included in the formula \([W+(D-d)]xTQ/MxNA\)?
Why did other psychologists eventually reject the validity of Arnall’s formula?
What legitimate psychological condition is mentioned as a real basis for why people might feel depressed in January?
Aside from the formula, what are some of the real-world reasons why January and February are difficult months for many people?
How did the public initially react to the Blue Monday theory before it was scrutinized?
What was the ultimate stance of Cliff Arnall regarding his own theory in later years?
Why is Blue Monday classified as "pseudoscience" rather than a legitimate scientific discovery?
