
Penelitian ini bertujuan untuk mengeksplorasi struktur laten kepribadian manusia dengan pendekatan tipologis berbasis data melalui metode pengklasteran k-means terhadap lima dimensi kepribadian big five. Dengan menganalisis data kepribadian dari 603.264 individu yang diperoleh dari situs OpenPsychometrics, penelitian ini berhasil mengidentifikasi empat klaster kepribadian: role model, creative empath, reserved, dan analyst. Pemilihan jumlah klaster dilakukan dengan mempertimbangkan tiga skor indeks validitas klaster (cluster validity indices/CVI): Silhouette Index, Davies-Bouldin Index, dan Calinski-Harabasz Score. Analisis lebih lanjut melalui uji Kruskal-Wallis menunjukkan adanya perbedaan signifikan pada seluruh domain big five antarklaster. Temuan ini memperkuat argumentasi bahwa struktur tipologis kepribadian dapat diidentifikasi secara statistik tanpa mengorbankan kedalaman dimensi. Kata kunci: analisis klaster, dimensi kepribadian big five, k-means, tipe kepribadian
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