What is the social validity? PDC-HS Assessment Results: According to the results the type of problem encompasses insufficient training, the need of adequate supervision to provide feedback with accuracy and materials readiness. The staff performance trigger issues are identified as "know how " and a "can do" problem. In the assessment staff reflects on not knowing how to conduct the newest intervention programs demanding for an additional assistance. In addition to an ineffective performance behavioral therapist has no access to materials needed when conducting intervention programs which hinders the impact on teaching skills thoroughly to clients. The identified issues prevent the company and the former staff to grow professionally. The issues found at the workplace lead the staff to experience certain levels of stress, ineffective decision making when not conducting the programs and poor communication from management due to the frequency of daily abrupt changes in intervention plans. And clients do not reach the expected outcome of learning skills acquisitions