Consider How This Passage Reflects The Relationship Between Cause And Effect: In 1970 About Sixty Small And Medium-sized Factories In The United States Adopted A Four-day Workweek. According To The Plan - Workers Work Forty Hours But Instead Of The Usual Five-day Week - They Now Work Only Four Days. Workers Are Enthusiastic About The Three-day Weekly Vacation. According To Management - Productivity. Has Increased About 18% Since The Inception Of The New Plan. Absenteeism Has Dropped By 69% And Lateness Is Almost Non-existent. What Are The Effects Being Discussed In This Passage?