The Republican Revolution reshaped many congressional practices, inclu
ding the mix of interest groups testifying before House committees, in
ways that promote partisan responsiveness. A comparison of the 104th
and 103rd Congresses reveals significantly more testimony in 1995 by g
roups sympathetic to the Revolution, less testimony by other groups, C
omparisons of individual committees, although more ambiguous, also rev
eal differences between traditionally partisan and traditionally bipar
tisan committees.