As a Result of the Findings of a Parent Intervention

As a result of the findings of a parent intervention program, Cowan and colleagues concluded that

A) families may need intermittent interventions to prevent problems from escalating.
B) families, once provided with intervention, will continue to be strong and effective.
C) family intervention programs are not cost-effective mechanisms for improving family functioning.
D) many families will experience significant problems regardless of participation in intervention programs.