As part of a research project, a participant uses a smart phone application that signals her at random times throughout the day. At those times, the application presents a series of questions for her to answer regarding her current activities. This is an example of data.

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.