CFC Document & Handwriting Analysis 2 — Questions and Answers
Question 1: Which ink dating technique measures the ratio of solvent loss over time to estimate when a document was created?
- Thin-layer chromatography
- Volatile component analysis (Correct answer)
- Infrared spectroscopy
- Electrostatic detection
Correct answer: Volatile component analysis
Volatile component analysis measures the evaporation rate of solvents in ink to estimate the age of a document.
Question 2: A questioned signature shows pen lifts at unusual locations. What does this most likely indicate?
- Natural variation in handwriting
- Writer fatigue
- Possible tracing or simulation (Correct answer)
- Left-handed authorship
Correct answer: Possible tracing or simulation
Unnatural pen lifts in unusual positions are a common sign of tracing or careful simulation of a signature.
Question 3: What is the term for the unconscious, automatic nature of genuine handwriting that makes it difficult to consciously alter all features simultaneously?
- Graphic maturity
- Motor automaticity (Correct answer)
- Baseline consistency
- Pen pressure habit
Correct answer: Motor automaticity
Motor automaticity refers to the subconscious execution of handwriting habits that forgers cannot fully suppress.
Question 4: When examining a will for authenticity, which feature would be LEAST useful to a questioned document examiner?
- Pen pressure patterns
- The date printed on the document (Correct answer)
- Ink formulation
- Line quality of signatures
Correct answer: The date printed on the document
A printed date alone is easy to fabricate and provides little forensic value compared to physical evidence in the ink and paper.
Question 5: Which process can reveal indented writing on a document without damaging it?
- Ninhydrin treatment
- Electrostatic Detection Apparatus (ESDA) (Correct answer)
- Laser ablation
- Iodine fuming
Correct answer: Electrostatic Detection Apparatus (ESDA)
ESDA reveals indented impressions on paper by making them visible through electrostatic toner without altering the document.
Question 6: A forensic examiner finds that blue ballpoint ink on a contract fluoresces under a specific wavelength of light. This observation is most useful for:
- Determining when the document was signed
- Identifying the specific pen brand used
- Detecting ink substitution or additions (Correct answer)
- Confirming the writer's identity
Correct answer: Detecting ink substitution or additions
Differential fluorescence under alternate light sources can reveal ink substitutions or additions made at different times.
Question 7: In handwriting comparison, 'range of variation' refers to:
- The total number of letter forms a writer uses
- The natural differences seen across a writer's own samples (Correct answer)
- Differences between the questioned and known documents
- The examiner's confidence interval in the conclusion
Correct answer: The natural differences seen across a writer's own samples
Range of variation describes how much a single writer's handwriting naturally differs from sample to sample.
CFC Document & Handwriting Analysis 2
Which ink dating technique measures the ratio of solvent loss over time to estimate when a document was created?