Erik erikson's theories are similar to those of sigmund freud in that: a. they were both psychologists b. they were both obsessed with sex c. they both suggest that development occurs by avoiding a series of conflicts d. they both suggest that development occurs by mastering a series of conflicts this is for psychology.

After fidel castro became the leader of cuba, many cubans moved to the united states. why did cubans leave their home country? a. job opportunities b. religious reasons c. political reasons d. educational opportunities

Who built the first turnpikes in the united states? a) the national government b) state governments c) private companies d) town councils

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.