According to O*NET, what are common work contexts for Nursery and Greenhouse Managers? Check all that apply. A. exposed to disease or infections
B. exposed to high places
C. outdoors, exposed to weather
D. freedom to make decisions
E. responsible for others’ health and safety
F. deal with physically aggressive people

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.