Повышение продуктивности – осознанный процесс, требующий времени, дисциплины и терпения. - Improving productivity is a deliberate process that takes time, discipline and patience.

Концентрация на чем-то одном повышает продуктивность. - Ability to focus on one thing leads to increased productivity.

The word "деятельность" in Russian means "activity" or "occupation". It refers to the actions, work, or operations carried out by an individual, group, or organization in a specific field or area of expertise. It can also be used to describe someone's professional or personal pursuits and engagements.

Examples:

Наша компания занимается благотворительной деятельностью. (Our company engages in charitable activity.)

Библиотека ориентирована на научно-исследовательскую деятельность.(The library is focused on research activities.)

Дети были вовлечены в творческую деятельность для развития их фантазии и воображения. (The children were involved in creative activity to develop their imagination and creativity.)

Учителя оценили активность и самостоятельность студентов в учебной деятельности. (The teachers appreciated the students' activity and independence in their learning activities.)

The word "работоспособность" in Russian refers to the ability or capacity to work or function effectively. It can be used to describe the overall performance, productivity, or efficiency of a person, a machine, or a system. It encompasses the physical, mental, and technical capabilities required for successful work or operation.

Стресс влияет на эффективность деятельности человека. - The level of stress is related to the effectiveness human performance.