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.
Re: mileage deduction. â04-15-2013 09:32 AM. Commuting mileage is miles driven between your home and regular place of doing business such as an office, store, etc. Since you perform your work at various client locations your mileage is deductible as business miles. The IRS regulations require that you keep a daily record of business mileage which lists the date, number of miles, and the reason it was necessary to go to each location.