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The two signatures I signed are different. Will a handwriting appraisal show that I signed it myself?

The two signatures signed by you are different. A handwriting appraisal can find out that they were signed by you.

Handwriting identification is a specialized technique for identifying writers based on their writing skills, habits and characteristics, as reflected in handwriting and paintings. The main task is to pass the handwriting identification test to prove whether the handwriting on the document evidence is the handwriting of the same person.

Handwriting identification can not only test normal handwriting, but also test handwriting that changes in writing conditions (including writing posture, writing tools, backing materials, etc.), deliberately disguised handwriting (including left-hand handwriting, ruler-stroke handwriting), and imitation Handwriting and painting handwriting, etc.

A person's writing characteristics are formed over a long period of time and cannot be changed in a short period of time. Especially after adulthood, writing habits are difficult to change. Professional appraisal does not mean whether they look similar or not. Judgment, even if you consciously forge, you will unconsciously bring out your own writing habits, which may increase the difficulty of identification, but do not take it for granted and underestimate professional identification.

Everyone’s handwriting, just like a person’s fingerprints, has its own inherent characteristics. Although sometimes people deliberately try to change their handwriting when signing, their inherent characteristics cannot be concealed. If the document has been changed or changed, professional appraisers can still conduct testing and identification by comparing the materials and samples to determine whether it was written by the same person.

Although the two signatures signed by one person are different, it can still be determined through handwriting identification that they are signed by the same person.

Extended information:

Based on the characteristics of the handwriting and the circumstances of the case, accurately determine the change or disguise of the handwriting characteristics and the reasons and extent of the change or disguise. If the handwriting proficiency of the test materials is consistent, the writing level is suitable for the language level, the writing is natural, the proportions of strokes are coordinated, and the writing movements are regular, it can be regarded as normal handwriting.

If the size and slope of the handwriting on the test material are uneven, the writing speed is inconsistent, the writing is unnatural, the strokes turn abruptly but the writing movements have a certain system, and the same words and strokes have basically the same characteristics, it means it is Changes in handwriting due to objective reasons or other subjective factors other than disguise.

If the handwriting proficiency of the test materials is inconsistent, the writing movements are not systematic, the strokes are curved and intermittent, and there are traces of pauses and retouching, the structure and shape of the characters are abnormal, and the motor skills and abilities are not commensurate with the language level , generally it can be judged as disguised handwriting.

Handwriting identification must pay attention to the judgment of differences as well as the judgment of conformity points. It cannot one-sidedly deny one aspect and blindly affirm the other, that is, when determining that the differences are non-essential. After understanding the nature, it is unscientific to rashly reach the same conclusion.

Conformity points can also be divided into essential conformity and non-essential conformity. If the quantity and quality of the same characteristics of the handwriting of the test material and the handwriting of the sample are absolutely dominant, it constitutes essential conformity; if the same characteristics of the two are in If the proportion of quantity and quality is small, it is a non-essential conformity.

After judging the difference points and coincidence points, if there is an essential consistency or non-essential difference between the handwriting of the test material and the handwriting of the sample, or the result of essential difference and non-essential consistency, a decision can be made. It is a definite conclusion that the handwriting on the test material and the handwriting on the sample were written by the same person or not.

Reference source: Baidu Encyclopedia-Handwriting Identification