An economist hypothesizes that government investment in early childhood education yields larger long-term economic returns than investment in job training programs for adults, primarily by improving lifetime earnings of program participants.
Which finding, if true, would most strongly support the economist's hypothesis?
- A
Both early childhood education and adult job training have been studied for decades.
- Bcheck_circle
Adults who participated in a quality preschool program in childhood earned significantly more over their working lives than otherwise similar adults who instead received job training as adults.
- C
Some adults find job training programs helpful for changing careers.
- D
Many countries fund both early childhood education and adult job training.
Explanation
A directly compares lifetime earnings across the two programs, the outcome the economist specifies. B, C, and D are background or tangential.