Abstract Individuals experience varying densities of negative thoughts (N.T.) throughout their daily lives, influenced by a multitude of internal factors such as mood, sleep quality, and cognitive patterns, as well as external elements like stressors, recent events, and immediate situational contexts. This variability makes accurate quantification challenging, yet essential for evidence based mental health research, self-monitoring, and clinical interventions. This article introduces a comprehensive, rigorous, and transparent mathematical model specifically… Read More »Measuring Negative Thoughts Per Day: A Mathematical Model (NTQF Framework)