Lowering the unemployment rate affects a country by: A: allowing more citizens to find a job
B: reducing inflation around the country
C: making citizens’ investments worth more
D: lowering the country’s gross domestic product

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.