Who ultimately gains control of South Africa and how did they achieve this? A. Dutch used their advanced weaponry to defeat them. B. Boers were able to kill Shaka Zulu. C. Britain because they have more advanced weaponry. D. Britain because Shaka Zulu became ill with yellow fever.

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.