3- escoger audio listen to each question and choose the most logical response. soy patricia

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.

The state of the union address is important because it only addresses the strengths and successes of the previous years. select the best answer from the choices provided t f

Which of the following has been the result of clean water supplies, greater availability of medicines, and improved vaccines? a lower crude birthrates b. fewer women working outside the home c. higher levels of education d. longer life expectancies