George gallup four principles?

scientific principles correct samplingclear questions to measure opinionrefused to be funded by people who had interest in the outcome of the polls

Republicanism, Federalism, Separation of Powers, Check and Balances

Producer, Administrator, Entrepreneur, and Integrator. The Producer is the individual that has the drive and the discipline necessary to see real results produced. Impatient, active, and always...

1. Money has a Time Value 2. There is a Risk-return trade off 3. Cash flows are the Source of Value 4. Market Prices reflect Information

The four main principles of flight are lift, drag, weight, and thrust.