Approaches ofdisoriented elderly people canbe distinguished in two main perceptions, Reality Orientation and Validation. RealityOrientation appeals to stillexistingfunctions and helps people toget oriented toward the reality. Validation goes with people intotheirinner world, wherefeelings dominateand facts arenolonger important. In this articleboth approaches are explicated. Further, it isstated that measuring theeffects ofRealityOrientation or Validation havethesame pitfalls, such aslack ofadequate scales, unclear definitions ofthe behaviour and symptoms of patientsinvolved, and therisk of measuring a Hawthorne effect. The authorstates that Validation meets thedemands ofdisoriented people better than Reality Orientation. She argues tothink in-depth aboutthe aimsofpsychogeriatriccare, in order todefinewhateffects should bepursued and measured. Nursingdiagnoses should be used instead of medical diagnoses.