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The Australian Breastfeeding Knowledge and Attitude Questionnaire–Short Form (ABKAQ-SF) was designed to measure breastfeeding knowledge and attitudes of health professionals. To date, a Chinese version of the attitude component of the ABKAQ-SF (ABAQ) is not yet available and has not been cross-validated with nursing students.This study aimed to examine (a) the psychometric properties of the ABAQ and (b) group differences and responsiveness of the revised 12-item ABAQ (ABAQ12) among nursing students in Taiwan.Using a cross-sectional two-cohort study design, nursing students in Years 2 and 3 of a 4-year bachelor of nursing program (N = 205) completed the Chinese version of the ABAQ, translated using forward and backward translations. Content validity, internal consistency reliability, construct validity, group differences, and responsiveness of the Chinese version of the ABAQ were assessed.Using the principal axis factoring procedure of exploratory factor analysis to examine the dimensionality of the ABAQ, a one-component structure was identified. Six items were deleted, based on the average interitem correlation (< 0.2), low corrected item-total correlation (< 0.35), and low factor loading (< 0.3). Confirmatory factor analysis of the ABAQ12 supported a one-factor solution, with good overall model fit (goodness-of-fit index = 0.949, Tucker-Lewis index = 0.951, comparative fit index = 0.965, root mean square error of approximation = 0.042). Responsiveness of the ABAQ12 scores indicated a positive change in breastfeeding attitude between the pre- and postclinical placement period.The Chinese version of the ABAQ12 is valid, reliable, and responsive and is suitable for assessing the breastfeeding attitudes of nursing students in the Taiwanese higher education settings.