TurboTax Support Learn the difference between the standard deduction and itemized tax deductions. If you enter a deduction in your income tax return and your refund amount does not change, it might be because you haven't yet passed the standard deduction amount. The standard deduction quoted in this video is for tax year 2013. TurboTax will automatically select the option which gives you the highest tax refund. Watch this helpful video from TurboTax for more information on standard vs itemized tax deductions.