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.
Additionally, mileage can only be deducted if it exceeds 2% of the tax payerâs AGI (the adjusted gross income is lower than your gross income). So if you donât drive this much, you should ask your employer to reimburse you instead (or find a new job). The standard mileage rate for 2017 is 53.5 cents/mile.