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.

Which of the following will increase a population's growth rate? read the following scenario and answer the question(s) below. population growth is at the root of many serious environmental problems. from the ancient babylonians thousands of years ago, to thomas malthus two centuries ago, to present day neo-malthusians, humans seem to possess an awareness of earth's limitations in the face of growing populations. today, our ability to accurately quantify and monitor population growth is very sophisticated. we can measure growth and make predictions about world growth with mathematical and computer models. despite long-lasting, rapid global population growth that is only recently starting to show signs of slowing, we have thus far been able to avoid global catastrophe. can we continue to avoid disaster? which of the following will increase a population's growth rate? increased urbanization increased industrialization increased immigration decreased immigration increased emigratio

This is the mountain range known as the alps. which of these statements regarding the alps is true? a) the alps are the largest mountain range in asia. b) the alps protect the roman empire from invasion. c) the alps were key in preventing england from being conquered in warfare. d) the alps prevented the roman empire from taking control of most of europe.

Japan’s key exports to africa and southwest asia are mostly a) raw materials. b) human capital. c) manufactured items. d) agricultural products.