Melatonin gummy

Part 6. Even more 2×2 Practice! 13. A research study is assessing the associations between having kids take a melatonin gummer before bedtime and whether or not the Outcome. the parents say the kids had a good night’s sleep. They enrolled a total of 600 kids, 25% of which took a melatonin gummy before Positive | Negative bed; the other 75% of the participants did not take a melatonin gummy before bed. Of the melatonin gummy takers, 120 Exposure Positive reported having a good night’s sleep. Of the non-gummy takers, 180 reported having a good night’s sleep. Negative