The objectivity of this study has been called into question.
Tips
grammar
性 (xìng) is the productive 'noun-of-quality' suffix, equivalent to '-ity' or '-ness' in English. So 客观 (objective, adj.) + 性 → 客观性 (objectivity). The same pattern: 重要 → 重要性 importance, 可能 → 可能性 possibility, 必要 → 必要性 necessity.
