A power analysis is often used to determine sample size. The use of too many animals (or other experimental units) wastes animals, money, time and effort, and it is unethical. But if too few animals are used the experiment may lack power and miss a scientifically important response to the treatment.
Connecticut â if shift is 7.5 hours, 1/2 hour lunch after first 2 hours but before last 2 hours. Delaware â if shift is 7.5 hours, 1/2 hour lunch after first 2 hours but before last 2 hours. Illinois â required for hotel room attendants only. Kentucky â reasonable meal period between 3rd and 5th hour of shift.
Seven local districts usually combine lunch with recess, but not always. On average, the break is about 35 minutes long. There are no state or federal standards on how long lunchtime should be. In North Clackamas, where Galaâs daughter goes to school, it can be up to 40 minutes long.