\"Research instrument used to measure the behavioral changes and to observe the effect, of which the data has been comparatively analyzed using the t-test and paired t-test. The results of this research are as follows; First, the research though behavior problems record sheet showed that there was a significant decrease in the behavior problems of elderly with dementia in the post-test compared with the pretest. Second, collage group art therapy has changes to positive behavior of elderly with dementia as the therapy sessions went by. As the therapy progressed, they were able to interact with one another more readily, there was reduction in use of negative words, and decreased their behavior problems caused by uneasiness or fretfulness. I came to the conclusion that the collage group art therapy by Recollection Techniques program for elderly with dementia has a significant effect in deceasing their behavior problems. Furthermore, this program could be used to help reduce behavior problems and prevent progress of dementia for those who are at the nursing home.
Key Words : Collage group art therapy, Recollection Techniques, the elderly with dementia, Behavior problems \"