This study compares supervisors' and examiners' grading of quality of theses at Bachelor level in nursing. An instrument developed to asses the quality of theses was used. Eight aspects of quality were rated. One hundred and fifteen theses were rated by both examiner and supervisor. Significant correlations were found between examiners' and supervisors' ratings of all aspects of quality. Good agreement was found in 89-96% of the ratings on individual aspects of quality. The means of differences between ratings were small but significantly differed from zero in four out of eight aspects. In theses rated low for quality of language and formality, differences between examiners' and supervisors' ratings on all aspects of quality were significantly larger than in theses rated high for quality of language and formality. The general conclusion is that the evaluations made by examiners and by supervisors corresponded well. Differences found indicates that examiners in general give lower scores than supervisors especially on quality aspects that are most closely related to research methods and experiences. This study is part of a larger project that is investigating quality of theses and the student's attitudes and learning experiences of writing theses.