How to be a detective?

1. In terms of knowledge structure, 1. You should have a good basic education and a certain level of cultural knowledge. Education level can directly affect and determine a person's cognitive ability, thinking ability, expression ability and practical operation ability in a certain sense, so it is a basic indicator to measure a person's knowledge level. Such as language knowledge, physical chemistry knowledge, historical geography knowledge, etc. 2, should have extensive knowledge of social science and natural science, have certain scientific knowledge. In the process of investigation, we often encounter various special problems in related fields. To understand and solve these problems, investigators need to master relevant scientific knowledge, such as economic theory, philosophical concepts, formal logic and so on. 3, should understand the legal principles, legal ideas, legal system, familiar with the legal provisions, with legal knowledge. 4, should have certain social common sense, such as customs, living habits, social and historical overview. You should also know the general knowledge of commodities, production and identification of counterfeit products, which belong to life knowledge. Only in this way can we visit easily and get the truth. Second, the ability structure: 1, analysis and judgment ability. This is the most basic thinking ability, which is mainly manifested in the ability to correctly use existing knowledge to analyze problems and make correct judgments about the present situation and the future. 2. Memory evaluation ability. People with good memory can remember complex cases and related clues with their heads in investigation to avoid repeated work and work mistakes. Judgment ability is a kind of ability selected from many possible schemes, which is especially important for choosing the methods and ways of investigation. 3. Self-control and adaptability. Self-control is self-restraint under special circumstances. Self-control is to keep a clear head in the face of all kinds of sudden changes, analyze subjective, objective, favorable, unfavorable, direct and indirect conditions, and then find ways to solve contradictions. Self-control ability is manifested in two aspects. First, be good at urging yourself to implement the decisions that have been made, and be able to overcome all factors that are opposite to the implementation decisions; The second is about overcoming blind impulses and negative emotions. Closely related to self-control is nervousness. Adaptability requires tact and quick wits, rapid change of direction, objectives and methods, revision of investigation strategies, and psychological balance and experience. 4. Expression ability. The ability of expression should not only be eloquent, but also have impact, that is, to express one's thoughts with tone, expression and behavior. Third, we must have strong willpower and mental state. Willpower is a state of psychological activity in which we consciously determine the purpose, control and adjust our actions according to the purpose, and overcome all kinds of difficulties, so as to achieve the purpose. Will makes people consciously set goals, will helps people overcome difficulties, and will makes people full of vitality and perseverance. Fourth, the psychological state of people with mature psychological state is generally divided into: childish, slow, lazy, impatient, obedient, aging, dominant and mature; 5. Experience is also an aspect of quality, including professional experience, life experience and negotiation experience. If an experienced person can not only figure out his psychology from the other person's conversation, but also judge the other person's intention with the help of the other person's posture or expression and action, these are extremely difficult to teach with language. In addition, the physiological conditions are better. Such as good health, quick action, can adapt to various harsh natural environments. Only when investigators have the above qualities can they be competent in investigation work, thus providing high-quality investigation services for customers.

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