Question

Which of these is a statement of opinion?

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A Disincentives programs may be more effective, but incentives programs are more enjoyable.
B One study found that people who stood to lose money lost more weight than people who stood to win money.
C An observational study by Cornell University looked at seven companies' incentives programs.
D Half of the employees at OhioHealth's five main hospitals signed up for the company's walking program.

Answer 1

A is a statement of opinion.

B and C cite studies, and D implies there was a study or survey. Those indicate observed facts.