Since the Workforce Investment Act's (WIA) enactment in 1998, GAO has issued numerous reports that included recommendations regarding many aspects of WIA. These aspects include performance measures and accountability, funding formulas and spending, one-stop centers, and training, as well as services provided to specific populations, such as dislocated workers, youth, and employers. Collectively, GAO studies employed an array of data collection techniques, including surveys to state and local workforce officials and private sector employers; site visits; interviews with local, state, and Department of Labor (Labor) officials; and analyses of Labor data and documents. This testimony draws upon the results of these reports, issued between 2002 and 2008, and discusses issues raised and recommendations made. Specifically, this testimony addresses (1) progress made by Labor in addressing areas of concern, particularly related to GAO recommendations for action, and (2) what steps Labor has taken to ensure an understanding of what works and for whom in addressing the needs of workers and employers.