Identify at least three deliberate social interventions, such as lowering the voting age to 18. For each, how would you (1) specify the perceived problem and (2) describe the kind of research that...

Identify at least three deliberate social interventions, such as lowering the voting age to 18. For

each, how would you (1) specify the perceived

problem and (2) describe the kind of research that

would evaluate whether the intervention was successful in solving the perceived problem?