Sherine Kamila Hassan
An Evaluation of psychometric properties: a new measurement scale of grit = Menguji psikometri validitas dan reliabilitas: alat ukur baru untuk grit
2018
 UI - Makalah dan Kertas Kerja
Crocker, Linda M.
Introduction to classical and modern test theory
Holt, Rinehart, and Winston, 1986
 Buku Teks
Nabilah Budhi Harto
Pengembangan obsessive compulsive scale baru = The Development of the new obsessive compulsive scale
Fakultas Psikologi Universitas Indonesia, 2019
 UI - Makalah dan Kertas Kerja
Jaccard, James
Statistics for the behavioral sciences
Wadsworth, 1983
 Buku Teks
Fallik, Fred
Statistics for behavioral sciences / Fred Fallik, Bruce Brown
The Dorsey Press, 1983
 Buku Teks