Establishing a minimum alcohol drinking age would be an example of
a. . an individual treatment program .
b. . a group treatment program . .
c. . an environmental treatment option . .
d. . a 12-step recovery program .

1. government controls industry through policy

2.government is both a consumer and a producer

4. government can use policy t influence economy

i did this!

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.