How did the Black Cowboy benefit from the Cattle Trails?

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.

List one personal value and explain why it’s important to you

2advanteges of the slash and burn method