During an investigation, often times one thing being changed also responds in another result. Using our example, the softness of the ice cream responded to changes in the temperature of the freezer. A variable that we purposefully change or manipulate is called the independent variable.
Congressional Research Service. Summary. The Constitution sets out three eligibility requirements to be President: one must be 35 years of. age, a resident âwithin the United Statesâ for 14 years, and a ânatural born Citizen.â There is no. Supreme Court case which has ruled specifically on the presidential eligibility requirements.
Employment Requirements. 1  Candidates must be at least 21 years of age at time of appointment. 2  Candidates must have a High School Diploma or GED. 3  Candidates must pass a character and background investigation. 4  Candidates must pass a drug screening. 5  Candidates must meet certain medical and psychological requirements.