A psychologist hypothesizes that brief mindfulness exercises reduce short-term anxiety more effectively than light physical activity does, even though both are commonly recommended.
Which experimental finding, if true, would most strongly support the psychologist's hypothesis?
- A
Mindfulness exercises often involve focused breathing.
- B
Light activity can be performed indoors or outdoors.
- C
Both mindfulness and light activity are recommended in many self-help books.
- Dcheck_circle
Anxious participants who completed a 10-minute mindfulness exercise reported significantly larger drops in self-rated anxiety than participants who completed 10 minutes of light walking.
Explanation
A directly tests the comparison the psychologist makes. B, C, and D are tangential.