Definitely cell phone reception! However books could be argued for since they also are a good more than a necessity. However the last 2 i believe would be classified more as necessities than goods.
~Hope this helps!~
Answer:there could be a placebo effect that accounts for results
Explanation:
There is not enough info about experiment nor is there a group that didn’t watch soccer
The 5 components that make up total fitness are:
Cardiovascular Endurance.
Muscular Strength.
Muscular endurance.
Flexibility.
Body Composition.
So in my opinion, I would say this is true because all of these adds up to physical fitness.