ABSTRAK
Penelitian ini dilakukan untuk mengembangkan dan mengevaluasi alat ukur baru untuk Perfeksionisme. Alat ukur baru dikembangkan melalu studi percontohan yang berfokus pada dua aspek perfeksionisme yang adaptif i.e., high standard dan maladaptif i.e., discrepancy perfeksionisme. Hasil akhir dari penelitian ini menjadi 12-item skala perfeksionisme dengan dua sub-skala yaitu high standard dan discrepancy. Alat ukur ini diberikan kepada 167 mahasiswa University of Queensland yang terdaftar dalam kelas Measurement of Psychology PSYC3020 . Perhitungan Alpha Cronbach dan analisis korelasi pada tiga hipotesis validasi dilakukan untuk mengevaluasi reliabilitas dan validitas dari skala ini. Hasil analisa tersebut menunjukan konsistensi internal menyeluruh yang sangat baik dan dua dari tiga hipotesis validasi didukung. Alat ukur ini selanjutnya diadministrasikan pada 30 mahasiswa Indonesia yang menempuh studi University of Queensland sebagai sampel perdana alat ukur ini untuk mendapatkan data mengenai derajat perfeksionisme yang mereka miliki.

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ABSTRACT
The present study is conducted to develop and evaluate a new scale on Perfectionism. The new scale was developed through pilot study which focus on two aspects of perfectionism which is adaptive i.e., high standards and maladaptive i.e., discrepancy perfectionism. A final 12-item Perfectionism Scale with two subscales; high standard and discrepancy, were tested. The scale was administered to a total of 167 University of Queensland students who enrolled in Measurement in Psychology PSYC3020 course. Cronbach rsquo; Alpha calculation and correlation analysis on three validation hypotheses was performed to evaluate the reliability and validation of the scale. An excellent overall internal consistency was reported, and two of the three validation hypotheses were supported. The scale was also administered to a total of 30 Indonesian international students at University of Queensland to further evaluate the current measure. High score of Perfectionism was found amongst them. The present scale can be applied in consultation session to measure one rsquo;s perfectionism scale which might appeared as a contributing information during the case formulation process.