A model for the design of instruments used in observing traits or testing unobservable traits. The preferred method of developing tests and scoring for tests, like the Likert scale.
The Mileage Tax Deduction. The Mileage Tax Deduction is a credit made for the 21st century. The amount of road travel we engage in for the most common aspects of our life is either wonderful or absurd depending on how you view things.ou get the choice of claiming the actual vehicle expenses deduction or taking the mileage rate. Obviously you want the one that affords you the biggest advantage. The actual expense deduction includes: 1  Gas.
WASHINGTON â The Internal Revenue Service today issued the 2017 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes. Beginning on Jan. 1, 2017, the standard mileage rates for the use of a car (also vans, pickups or panel trucks) will be: