INTRODUCTION: The debate on scientific research and reporting integrity issues in Brazil is incipient. Literature suggests that a journalology training course could help to improve the competencies of the participants. OBJECTIVE: To evaluate the immediate impact of a journalology training course on perceived academic competencies, comprised of knowledge, attitudes, and skills.  METHODS: The course was taught in 5 consecutive days to an online audience of individuals from the health sciences. A self-applied questionnaire was employed before and immediately after the course, which included initial and acquired perceived knowledge, attitudes, skills. The Wilcoxon non-parametric test for paired samples was used for analysis.  RESULTS: A total of 45 individuals participated in the course, with a 53% response rate before and after. The number of participants in each course session ranged between 32 and 45. There was an improvement in perceived knowledge of: (1) writing review articles; (2) e