Question

read the claim about caffeine. caffeine improves mental alertness and motor coordination. a university research study was conducted to examine how moderate doses of caffeine affect fine motor skills. ten teen girls, ages 14 to 18, were given 200 mg of caffeine per day for 30 days. thirty minutes after taking the caffeine, each subject took a timed fine motor skills test in which they fitted 20 small beads onto pegs. the graph compares each subjects average results on the same test done 30 minutes before and after taking the caffeine. effect of caffeine on fine motor skills which group would most benefit from the claim? people who sell coffee with caffeine people who sell decaffeinated tea owners that serve only drinks without caffeine manufacturers of caffeine - free bottled fruit juice

Explanation:

The claim is that caffeine improves mental alertness and motor - coordination. People who sell coffee with caffeine would benefit as it promotes their product. Sellers of decaffeinated tea, owners of caffeine - free drink places, and manufacturers of caffeine - free bottled fruit juice have products without caffeine and would not benefit from this claim.

Answer:

people who sell coffee with caffeine