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.
A: The Democratic Party. Prior to 1984, income derived from Social Security benefits was exempt from taxation. Amendments to the Social Security Act passed by Congress in 1983 allowed for 50% of Social Security benefits to be considered taxable income for taxpayers whose total income exceeded specified thresholds.