Aformer confederate general, he was the 53rd governor of georgia (1886-90), a u. s. senator (1873-80), and - along with joe brown and alfred colquitt- was part of the "bourbon triumvirate."

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.