These four principals of persuasion were identified by the editorial director for DigitalMarketer:
Gain – That’s what your reader is wondering and you need to answer.
If you’ve appealed to a buyers emotional side it’s time to give them something to justify their decision such as a statistics, odds or a comparison.
Fear is one of our most fundamental survival emotions, but not something to choose lightly.
combing them together:
Until midnight tonight (Scarcity) and for less than the price of a pint (Logic) you can learn how to save £100’s off your new car (Gain)