1.
A streaming service introduces a new content recommendation algorithm. Within a month, user engagement increases by 30%. What is the most probable effect of this increase?
Decreased subscription rates
Higher server maintenance costs
Improved customer retention
Reduced content variety
2.
A city implements a comprehensive bike lane network. Within two years, obesity rates among adults decrease by 5%. What is the most likely effect of this infrastructure change?
Increased physical activity through cycling
More people walking instead of driving
Improved air quality leading to better health
Reduced stress from traffic congestion
3.
A streaming service introduces a new recommendation algorithm. User watch time increases by 25% in the following quarter. What is the most likely cause of this increase?
More accurate content recommendations
Increased catalog of available shows
Lower subscription prices
Improved streaming quality
4.
A city introduces a bike-sharing program. Within six months, carbon emissions from transportation decrease by 5%. What is the most likely reason for this decrease?
More people using bikes instead of cars for short trips
Increased use of electric vehicles
Improved public transportation system
More people working from home
5.
A state implements stricter emissions standards for vehicles. Over the next five years, asthma rates in children decrease by 10%. What is the most likely relationship between these events?
Improved air quality led to better respiratory health
Fewer people driving cars
Better medical treatments for asthma
Increased awareness of asthma prevention
6.
A company introduces a policy allowing employees to bring their dogs to work. Six months later, employee absenteeism decreases by 15%. What is the most probable cause of this decrease?
Improved mood and reduced stress
Increased accountability due to pet care
More frequent breaks for dog walks
Allergic employees quit their jobs
7.
A city implements a program to provide free public transportation for seniors. Within a year, social isolation reports among seniors decrease by 20%. What is the most likely cause-and-effect relationship here?
Increased mobility leads to more social interactions
More community events are organized for seniors
Families visit their elderly relatives more often
Seniors use social media more frequently
8.
A city introduces a ban on single-use plastic bags. Within a year, plastic waste in local waterways decreases by 30%. What is the most probable effect of this decrease?
Increased paper waste
Higher costs for consumers
Improved marine ecosystem health
Reduced recycling rates
9.
A school district implements a "no homework" policy for elementary students. The following year, standardized test scores in reading comprehension increase by 10%. What is the most probable effect of this policy?
Students have more time for independent reading
Parents spend more time teaching their children
Teachers focus more on in-class instruction
Students experience less academic stress
10.
A company introduces a flexible work-from-home policy. Six months later, employee satisfaction scores increase by 25%. What is the most probable effect of this policy change?
Decreased productivity
Improved work-life balance
Higher office rent costs
Increased commute times
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