Editing 1127: Congress
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:HOW IDEOLOGY IS CALCULATED | :HOW IDEOLOGY IS CALCULATED | ||
− | ::Each member of Congress is assigned to an ideological category using DW-NOMINATE, a statistical system created by political scientists Keith Poole and Howard Rosenthal. This system rates each member of Congress's ideological | + | ::Each member of Congress is assigned to an ideological category using DW-NOMINATE, a statistical system created by political scientists Keith Poole and Howard Rosenthal. This system rates each member of Congress's ideological position [sic] based on their votes. |
::DW-NOMINATE is purely mathematical and involves no judgement on the content of bills. Instead, members of Congress are placed on a spectrum based on how consistently they vote together. | ::DW-NOMINATE is purely mathematical and involves no judgement on the content of bills. Instead, members of Congress are placed on a spectrum based on how consistently they vote together. | ||
::While people argue that ideology is many-dimensional, Poole and Rosenthal found that nearly all Congressional voting behavior - especially in the modern era - can be accurately predicted by using just one ideological variable. | ::While people argue that ideology is many-dimensional, Poole and Rosenthal found that nearly all Congressional voting behavior - especially in the modern era - can be accurately predicted by using just one ideological variable. |