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Aa Bb Cc Dd Ee Ff Gg Hh Ii. Basis of Handwriting Examination. Basis of Handwriting Examination. Examination of Handwriting is based on three main principles:. 1. No two writers share the same combination of handwriting characteristics. 2. Each writer has normal variation.

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Aa Bb Cc Dd Ee Ff Gg Hh Ii

Basis of Handwriting Examination


Basis of Handwriting Examination

Examination of Handwriting is based on three main principles:

1. No two writers share the same combination of handwriting characteristics.

2. Each writer has normal variation.

3. Writer cannot exceed skill level.


Basis of Handwriting Examination

1. No two writers share the same combination of handwriting characteristics.

Writer 2

Writer 1

3


Basis of Handwriting Examination

2. Each writer has normal variation.


Basis of Handwriting Examination

2. Each writer has normal variation.


Basis of Handwriting Examination

3. Writer cannot exceed skill level.

Writer 2

Writer 1


Basis of Handwriting Identification

Identification of Handwriting is based on three main criteria:

1. Sufficient in quantity and quality.

2. Comparable.

3. All questioned characteristics found in known writing.


Basis of Handwriting Identification

Quantity -- Not sufficient

Questioned

Known

8


Basis of Handwriting Identification

Quantity -- Sufficient

Known

Questioned

9


Basis of Handwriting Identification

Not Sufficient in Quantity or Quality

Questioned

Known

10


Basis of Handwriting Identification

Not comparable

Questioned

Known

11


Basis of Handwriting Identification

Comparable

Questioned

Known

12


Basis of Handwriting Identification

3. All questioned characteristics found in known writing

Known

Questioned

13


Basis of Handwriting Identification

3. All questioned characteristics found in known writing (and have significance)

Copybook “S”

Writer 1


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