Learn about the negative correlation coefficient, its significance, comparison with other coefficients, and real-world ...

In a new article, a team of researchers analyze how to avoid misinterpreting correlations in cross-cultural studies. The researchers identify three sources of non-independence in cultural variables -- ...

Imagine you're a researcher studying how sleep affects mood. To explore the connection, you would look at two key "variables": sleep (how much someone gets) and mood (how happy or irritable they feel) ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. Thomas J Catalano is a CFP and Registered Investment ...

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

A team of researchers led by scientists at the Max Planck Institute for the Science of Human History and Australian National University analyzed how to avoid misinterpreting correlations in ...