The world's population is expected to drop over the next fifty years.
True or false

Lots of points: economics: financial institutions that are created only to make personal and business loans are a. banks b. credit unions c. savings and loans d. finance companies

Which important event brought about the first peacetime draft in the united states? a. the vietnam war b. the civil war c. world war ii d. world war i

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.