Analisis Clustering merupakan analisis yang sangat bermanfaat untuk proses deskripsi dan eksplorasi sekumpulan data. Dengan tidak tahunya informasi terhadap karakteristik data mahasiswa jalur prestasi Universitas Kristen Duta Wacana (UKDW), maka akan sangat merugikan dalam pengambilan keputusan. Tujuan dari penelitian ini melihat karakteristik cluster masing-masing angkatan dari angkatan 2008 sampai dengan 2018. Dengan menggunakan analisis cluster, juga ingin diketahui kemiripan 10 angkatan mahasiswa jalur prestasi di FTI UKDW. Untuk melihat cluster tiap angkatan mahasiswa FTI UKDW digunakan metode K-Means Clustering. Sedangkan untuk menemukan kemiripan dari 10 angkatan mahasiswa FTI UKDW digunakan Hierarchial Clustering. Dari hasil penelitian didapat fakta bahwa sebagai berikut: dengan menggunakan K-Means Clustering untuk pengelompokkan menjadi dua cluster, maka diperoleh bahwa cluster yang mempunyai kecenderungan IP Semester 1 (IPS1) tinggi mempunyai karakteristik: status SMA swasta, lokasi SMA di Jawa, kategori SMA umum, level bahasa Inggris level 3, sedangkan cluster yang mempunyai kecenderungan IPS1 rendah mempunyai karakteristik: status SMA swasta, lokasi SMA luar Jawa, kategori SMA umum, level bahasa Inggris level 2. Apabila dilihat hasil pengelompokan tiap angkatan berdasarkan cluster yang terbentuk pada Dendrogram Hierarchical Clustering, maka Angkatan 2015 mempunyai kemiripan cluster yang paling berbeda dibandingkan dengan angkatan yang lainnya.
Introduction:
The Indonesian elderly population keeps increasing. Aging is related with degeneration process, one of which is a decrease in cognitive function, including visuospatial ability. This is the first study on the visuospatial ability of Indonesian older people.
Objective:
This research aimed to assess the visuospatial ability and its correlation with sex, age, education, and general cognitive function among older people in Indonesia.
Subjects and Methods:
The research subjects were older people aged ≥60 years with Mini-Mental State Examination (MMSE) score ≥24. The visuospatial ability was assessed using Wechsler Adult Intelligence Scale-Revised (WAIS-R) Block Design Test (BDT). Regression analysis was performed to reveal the correlation of sex, age, education, and global cognitive function with visuospatial ability.
Results:
Sixty older people participated in this research, with an average age of 68.08 ± 6.24, mean MMSE score of 27.43 ± 1.71, and mean WAIS-R BDT score of 27.8 ± 7.27. The female and older individuals tended to have lower scores. Subjects with higher education and global cognitive function had higher WAIS-R BDT scores. Regression analysis showed that age and sex did not have significant effect, but education and global cognitive function had positive effect on visuospatial ability.
Conclusion:
There is a significant correlation between education and global cognitive function with visuospatial ability among older people in Indonesia.
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