An LPN/LVN, serving on the quality assurance (QA) committee, is asked to collect data regarding the implementation of fall precautions on at risk clients. What methods of collection would be appropriate? Select all that apply 1. Chart review for fall precaution documentation. 2. Direct observation of unit staff. 3. Ask staff what fall precautions are taken for at risk clients. 4. Identify at risk clients on unit. 5. Make unannounced visits to the unit for evaluating staff performance.