Analisis Psikometri Instrumen General Self-efficacy Scale Versi Bahasa Indonesia pada Mahasiswa di Indonesia
DOI:
https://doi.org/10.17977/um070v5i122025p700-708Keywords:
CFA, general self-efficacy scale, psychometricsAbstract
The General Self-efficacy Scale (GSES) is a psychological instrument designed to measure an individual's general belief in their ability to cope with various life challenges. This scale is unidimensional and encompasses three main aspects: magnitude, generality, and strength. This study aimed to re-examine the psychometric properties of the Indonesian version of the GSES adapted by Novrianto et al. (2019). The research sample consisted of 323 active university students from various regions in Indonesia. Data analysis was conducted using Confirmatory Factor Analysis (CFA) with the JASP 0.19.00 software. Initial analysis results indicated that the measurement model did not meet the model fit criteria. After modification by removing five items based on residual variances, the final model showed excellent results (CFI = 0.996; GFI = 0.999; RMSEA = 0.036). Reliability testing indicated a construct reliability (CR) value of 0.826, while the Average Variance Extracted (AVE) value was 0.491. Although the AVE was slightly below the ideal standard (0.5), these results still demonstrate that the modified version of the GSES has strong construct validity and high reliability. Thus, this scale is suitable for measuring general self-efficacy in the Indonesian student population.
Abstrak
General Self-Efficacy Scale (GSES) adalah instrumen psikologis yang dirancang untuk mengukur keyakinan umum individu terhadap kemampuannya dalam menghadapi berbagai tantangan hidup. Skala ini bersifat unidimensional dan mencakup tiga aspek utama, yaitu magnitude, generality, dan strength. Penelitian ini bertujuan untuk menguji kembali psikometri GSES versi bahasa Indonesia yang telah diadaptasi oleh Novrianto dkk. (2019). Sampel penelitian terdiri dari 323 mahasiswa aktif dari berbagai wilayah di Indonesia. Analisis data dilakukan menggunakan Confirmatory Factor Analysis (CFA) dengan bantuan software JASP 0.19.00. Hasil analisis awal menunjukkan bahwa model pengukuran belum memenuhi kriteria kecocokan model. Setelah dilakukan modifikasi dengan menghapus lima aitem berdasarkan nilai residual variances, model akhir menunjukkan hasil yang sangat baik (CFI = 0,996; GFI = 0,999; RMSEA = 0,036). Uji reliabilitas menunjukkan nilai construct reliability (CR) sebesar 0,826, sementara nilai Average Variance Extracted (AVE) sebesar 0,491. Meskipun AVE sedikit di bawah standar ideal (0,5), hasil ini tetap menunjukkan bahwa GSES versi modifikasi memiliki validitas konstruk yang kuat dan reliabilitas yang tinggi. Dengan demikian, skala ini layak digunakan untuk mengukur efikasi diri umum pada populasi mahasiswa di Indonesia.
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