Meaning: 'Through' means by means of or during the course of something, in this case, the work schedule.

Wrong options:

• and: 'And' is a conjunction that connects words or phrases but does not indicate the manner of incorporating breaks into the schedule.
• effectively: 'Effectively' is an adverb that describes how something is done, but it does not fit as a preposition to indicate the integration of breaks.
• while: 'While' is a conjunction that indicates time or contrast, which does not appropriately describe the incorporation of breaks into the schedule.
• between: 'Between' is a preposition that indicates a position separating two entities, which does not fit in the context of incorporating breaks into a schedule.
• in: 'In' is a preposition that indicates inclusion within a space or time, but it does not convey the manner of incorporating breaks as 'through' does.
• more: 'More' is an adverb that indicates a greater degree but does not relate to the context of breaks in a work schedule.

Correct answer: in

Explanation: The preposition 'in' is appropriate here as it indicates the context or manner in which productivity is achieved. It aligns with the phrase 'in an effective manner,' which describes how productivity should be approached.

Meaning: 'In' is used to indicate the manner or context of something, in this case, how productivity is to be achieved.

Wrong options:

• and: 'And' is a conjunction that connects phrases but does not fit the context of describing how productivity is achieved.
• effectively: 'Effectively' is an adverb that describes the manner of action but does not serve as a preposition to indicate context.
• while: 'While' is a conjunction that indicates time or contrast, which does not fit in this context of describing productivity.
• between: 'Between' is a preposition that indicates a position separating two entities, which does not apply to the context of productivity.
• through: 'Through' indicates a means or method but does not fit the context of describing how productivity is achieved as 'in' does.
• more: 'More' is an adverb that indicates a greater degree but does not relate to the context of productivity.

Correct answer: and

Explanation: The conjunction 'and' is used to connect two related ideas: work and leisure. It fits grammatically and contextually as it emphasizes the balance between these two aspects of life to prevent burnout.

Meaning: 'And' is used to connect words or phrases, in this case, linking work and leisure as two important components of time management.

Wrong options:

• effectively: 'Effectively' is an adverb that describes how something is done but does not serve as a conjunction to connect two ideas.
• while: 'While' is a conjunction that indicates time or contrast, which does not appropriately connect the concepts of work and leisure in this context.
• between: 'Between' is a preposition that indicates a position separating two entities, which does not fit as it does not connect the two concepts.
• in: 'In' is a preposition that indicates inclusion but does not serve to connect work and leisure.
• through: 'Through' is a preposition that indicates a means or method but does not connect the two ideas of work and leisure.
• more: 'More' is an adverb that indicates a greater degree but does not relate to the connection between work and leisure.

Correct answer: more

Explanation: The word 'more' is used here as an adverb to indicate a greater quantity of successful outcomes. It fits grammatically and contextually, emphasizing the increase in success resulting from improved productivity practices.

Meaning: 'More' refers to a greater amount or degree of something, in this case, successful outcomes.

Wrong options:

• and: 'And' is a conjunction that connects phrases but does not indicate an increase in successful outcomes.
• effectively: 'Effectively' is an adverb that describes how something is done but does not fit as a noun to describe outcomes.
• while: 'While' is a conjunction that indicates time or contrast, which does not fit in the context of describing successful outcomes.
• between: 'Between' is a preposition that indicates a position separating two entities, which does not apply to the context of successful outcomes.
• in: 'In' is a preposition that indicates inclusion but does not convey an increase in successful outcomes as 'more' does.
• through: 'Through' is a preposition that indicates a means or method but does not relate to the context of successful outcomes.