During the conclusion step, researchers frequently revisit the hypothesis formation stage

Ebbinghaus' single subject design resulted in work on memory. Specifically, through his design Ebbinghaus was able to demonstrate the

a. forgetting curve. b. calculating memory. c. memory loop. d. memory curve.

Which of the following statements about welfare in the United States is LEAST accurate?

A. In the 1990s the principal program for aiding poor families, AFDC, was reformed to impose work requirements and time limits on recipients. B. The 1960s witnessed an increase in welfare programs with the establishment of Medicare and Medicaid, among other initiatives. C. Despite the name, not everyone who qualifies for an "entitlement" program is entitled to receive benefits; the determination is made by the availability of funding during the time period in which benefits are applied for. D. Currently, states distribute welfare to needy citizens from funds the states receive from federal block grants. E. Federal welfare was largely nonexistent before the Great Depression, and poverty was addressed primarily by local governments and private charities.