Most American adolescents don’t eat well and don’texercise enough. Can middle sc

Question

Most American adolescents don’t eat well and don’texercise enough. Can middle schools increase physicalactivity among their students? Can they persuade students toeat better? Investigators designed a “physical activityintervention” to increase activity in physical educationclasses and during leisure periods throughout the school day. They also designed a “nutrition intervention” thatimproved school lunches and offered ideas for healthy home-packedlunches. Each participating school was randomly assigned toone of the interventions, both interventions, or nointervention. The investigators observed physical activityand lunchtime consumption of fat. Identify theexperimental units or subjects, the factors, the treatments, andthe response variables.

ANSWER:

Explanation / Answer

The treatments are physical activity intervention,nutrition intervention The response variables are physical activity and lunchtime consumption of fat This is an experiment not a study because here we don'tobserve, and we will found a new result afer apply thetreatment   on expermental units Here there willbe change in expermental units

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