Some communities are inclined to share participant advice with researchers as a validation technique by comparing case study solution survey sample characteristics with those of case study answer online group in general. Yet, because individuals easily can lie about any advice they report to group administrators, there is not any assure of accuracy. When possible, using both online and standard paper surveys helps to assess whether people responding to case study answer online version are responding in systematically alternative ways from people that achieved case study answer paper version. For example, Query and Wright 2003 used a mix of online and paper surveys to review older adults who were caregivers for family with Alzheimer’s ailment. The researchers tried to assess regardless of whether case study solution online responses were skewed in any way by comparing case study solution responses from both subsamples. While no significant differences between case study solution two subsamples were found in this particular study, real changes in responses between Internet users and non Internet users might exist in other populations.