The requirement for comprehensive innovation in education and training requires each lecturer in general and young lecturers in particular at universities to actively and try to innovate the content, form, and teaching methods; make efforts to train and develop the qualities and scientific research capacity to meet the tasks well, contributing to improving the quality of education and training. To improve the effectiveness of scientific research, each young lecturer must create his own critical thinking methods and style. This is a form of thinking that identifies multidimensional problems, based on collected knowledge to analyze, evaluate, and reason scientifically; affirm and evaluate the truthfulness, accuracy, universality and objectivity of information and provide convincing solutions to problems, consistent with practice and laws of nature and society. The role of critical thinking is expressed in the following basic contents:

Firstly, it is an effective tool to help young lecturers objectively and comprehensively view issues in scientific research; Avoid mistakes in thinking (such as: subjective thinking, imposition, dogmatism...). On the other hand, critical thinking helps them consider research problems, collect and process information objectively, evaluate and verify the accuracy and reliability of research results based on the nature of research. the specific nature of each scientific discipline, as well as each specific research object. On that basis, young lecturers promote positivity and initiative in scientific awareness and apply methods and operations to prove the objectivity, science and accuracy of research problems.

Second, critical thinking helps young lecturers develop their own independent and creative thinking in choosing highly effective scientific research methods. Practicing critical thinking helps young lecturers become independent subjects; improve bravery and scientific research capacity; know how to express opinions and assert opinions on scientific issues raised. At the same time, independent thinking and critical thinking are factors that ensure the development of creative thinking in scientific research, arousing the passion for research, exploration, discovery of new things, and non-acceptance. accept, be dissatisfied with what is already known, and have a spirit of objective, scientific criticism when considering and evaluating objects, avoid subjective bias, do not distort, exaggerate, or embellish. That is also the purpose of scientific research to find new things, confirm what is correct and eliminate what is inappropriate.

Third, critical thinking helps young lecturers overcome prejudiced barriers and avoid fallacious thinking in scientific research. When approaching research problems, young lecturers with critical thinking will know how to approach more objectively and multi-dimensionally; regularly have the habit of positive thinking and have a systematic approach to solving problems; not affected by prejudices and thinking patterns in scientific research activities. Therefore, critical thinking helps each young lecturer to be confident in presenting and defending political opinions, making reasonable and convincing arguments, and improving scientific research skills; eliminate barriers of personal prejudice, as well as rigid, conservative concepts of other scientists; Boldly explore, discover, supplement and create scientific knowledge.

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