Examples of Unethical Research. Whichever ethical requirement may be chosen, the history of human research offers grim examples of its violation. During World War II, German researchers performed a large number of experiments in concentration camps and elsewhere.
First, lower income earners pay no federal income taxes on Social Security benefits, so taxation is not an issue for them. However, once a relatively low threshold level of taxable income is surpassed, somewhere between 50 to 85 percent of benefits are subject to taxation.
Monthly Social Security Disability Insurance (SSDI) Generally, the IRS can tax up to 50 percent of your Social Security disability benefits. To calculate this amount, add one-half of your SSDI benefits plus all of your other income sources. You will owe taxes on any amount above a base level.