Ever Works로 구축된 데모 디렉토리 웹사이트입니다
Cognitive Tax 2026
The mental burden and productivity cost of constant attention fragmentation in modern work environments, where workers face unprecedented cognitive demands that predecessors never encountered, requiring biological rhythm alignment for optimal performance.
Attention Residue
Cognitive phenomenon where attention remains partially focused on previous task after switching, reducing performance on new task. Understanding this explains productivity costs of multitasking and context switching.
Decision Fatigue
Deteriorating quality of decisions after a long session of decision-making. Understanding this explains why routines, habits, and decision-reducing systems improve productivity and willpower conservation.
Cognitive Tax
Concept describing the mental cost of constant attention fragmentation and context switching in modern work environments, costing significant productivity in 2026.
CEO Energy Index
New performance metric for 2026 that evaluates a leader's capacity to sustain clarity, strategic calm, and decisive judgment. Measures cognitive clarity and physiological stability as the architecture of high performance, reframing energy not as self-care but as strategic capability.
Deep Work vs. Shallow Work Ratio
Productivity metric measuring the proportion of time spent on cognitively demanding tasks (deep work) versus administrative and logistical tasks (shallow work), with recommendations to maximize deep work percentage.
90-Minute Biological Work Cycles
Work scheduling approach based on ultradian rhythms where individuals work in focused 90-minute blocks aligned with natural energy cycles, followed by 20-30 minute recovery breaks. Research shows this rhythm-based approach can boost productivity by 40% and reduce mental fatigue by 50% compared to random work intervals.
Attention Residue Phenomenon
The cognitive effect where switching tasks leaves residual attention from the original task, reducing performance on the new task for a non-trivial amount of time. Critical concept for understanding context-switching costs.
Bermuda Triangle of Productivity
Daniel Pink's term for the 2-4 PM afternoon window when cognitive performance dramatically declines, errors increase, and productivity nosedives due to circadian rhythms.
Endowed Progress Effect in Time Tracking
Psychological principle showing that visual progress tracking increases motivation and completion rates. Explains why time tracking dashboards, streak counters, and visual progress indicators enhance habit formation and goal achievement.