In the article the researchers collected data for three different areas; residents, residents’ behavior, and the direct care workers. The initial data collection method used for residents was to obtain sociodemographic data- age, gender, and type of dementia. This was collected at baseline from the residents’ profile and used to eliminate individuals that were not going to benefit the study. The second method used, was the Mini Mental State Examination, to verify cognitive impairment. Lastly the Global Deterioration Scale was used to measure the progression of the Dementia, which only those who ranked in the moderate to severe categories were included in the study. Video clips were used to collect data on the residents’ behaviors and interactions
