Adding purpose to to-do lists improves task completion rates
Research indicates that augmenting to-do lists with the reasoning behind specific tasks significantly enhances productivity and reduces procrastination.

A study published in the Journal of Personality and Social Psychology suggests that individuals who record the relevance of a task to their personal lives or goals are more successful at completing them. While traditional to-do lists reduce cognitive load by alleviating the need to remember unfinished items—a phenomenon known as the Zeigarnik Effect—they often fail to address the lack of motivation associated with difficult or unappealing work.
Incorporating a "why" into daily planning acts as a psychological buffer against procrastination. Research highlights that the benefits are most pronounced for tasks perceived as boring or challenging, where the temptation to delay or abandon the objective is highest.
Inc. Magazine notes that this adjustment can be applied to both personal and professional environments, such as navigating difficult employee relations or maintaining productivity during high-pressure periods. By shifting the focus from simply completing items to understanding their impact, individuals are better equipped to stay the course.