1.
A state passes a law requiring all drivers to use hands-free devices for phone calls. In the following year, traffic accidents decrease by 10%. What is the most probable effect of this law?
Reduced distracted driving
Fewer people driving
Improved road conditions
More cautious drivers in general
2.
A government introduces stricter fuel efficiency standards for vehicles. Within ten years, national oil consumption decreases by 20%. What is the most likely cause of this decrease?
Economic recession
Increased use of public transportation
More fuel-efficient vehicles on the road
Higher fuel prices
3.
A city installs speed cameras on a busy highway. After three months, the number of speeding tickets issued decreases by 40%. What is the most likely cause of this decrease?
Fewer cars on the road
Malfunctioning speed cameras
Drivers reducing their speed
More lenient speed limits
4.
A country introduces a tax on single-use plastics. Over the next three years, plastic waste in landfills decreases by 25%. What is the most probable cause-and-effect relationship here?
Reduced consumption of single-use plastics
Improved recycling technologies
Increased use of biodegradable materials
More effective waste management systems
5.
A university introduces a mandatory study skills course for first-year students. The following year, the freshman retention rate increases by 8%. What is the most likely effect of this new course?
Students are more prepared for academic challenges
The university has become more selective in admissions
Professors have lowered their grading standards
More financial aid is available to students
6.
A school district implements a peer tutoring program. The following semester, the overall grade point average increases by 0.3 points. What is the most probable cause of this improvement?
Students benefit from personalized help
Teachers grade more leniently
Parents become more involved in education
The curriculum becomes easier
7.
A company introduces a policy of providing free healthy snacks in the office. After six months, employee sick days decrease by 10%. What is the most probable cause of this decrease?
Improved nutrition leads to better overall health
Employees come to work even when sick
The company implements stricter sick leave policies
Employees exercise more frequently
8.
A retail company implements a new inventory management system. After six months, stockouts decrease by 40%. What is the most probable effect of this decrease?
Lower sales revenue
Increased customer satisfaction
Higher inventory costs
Reduced product variety
9.
A restaurant chain introduces a new loyalty program. Within three months, customer retention rates increase by 20%. What is the most likely effect of this program?
Improved food quality
Lower prices
Increased customer loyalty and repeat visits
More effective marketing campaigns
10.
A social media platform changes its algorithm to prioritize posts from friends and family. User engagement increases by 30% in the following month. What is the most probable effect of this change?
Users see more relevant content
More advertisements are shown
The platform has fewer technical issues
Users spend less time on the platform
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