The best way to overcome mental fatigue is by A. participating in sporting activities.
B. making sure that exercises are complete.
C. relaxing in comfortable chair.
D. discussing problems with friends.

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.

An unsuccessful attempt at cooperation among the colonies was

What idea from enlightenment influenced the founding fathers when writing the declaration of independence?