ASTM E2229-02

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Designation:E2229–02
Standard Practices for
Interpretation of Psychophysiological Detection of
Deception (Polygraph) Data
This standard is issued under the fixed designation E 2229; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.4 rank order scoring—assignment of ranks according to
relative magnitude of the responses. The PDD outcome is
1.1 This practice establishes procedures for the systematic
governed by specified decision rules using these ranks.
interpretationandanalysisofPsychophysiologicalDetectionof
3.1.5 respiration line length—sum of the length of the
Deception (PDD) data.
respiration waveform over a fixed time period.
1.2 Any test data analysis procedure used shall be correctly
3.1.6 response amplitude—magnitude of a response from
matched to the PDD examination format. Examiners shall use
stimulus onset to maximum expression of the response within
evaluation methods for which they have been formally trained.
the response window.
1.2.1 Acceptable test data analysis procedures are those
3.1.7 response duration—period between a phasic response
published in refereed or technical journals, and for which
onset and return to baseline.
published replications of the procedures have confirmed their
3.1.8 response latency—time between stimulus and re-
efficacy.
sponse onsets.
2. Referenced Documents
3.1.9 response window—the period in which physiological
responding normally occurs and recovers after stimulus onset.
2.1 ASTM Standards:
Response windows vary by channel.
E 2031 Practice for Quality Control of Psychophysiological
3.1.10 score—a number systematically assigned to an es-
Detection of Deception Polygraph Examinations
tablished set of comparisons within a PDD recording.
E 2035 Terminology Relating to Forensic Psychophysiol-
3.1.11 spot score—sum of scores associated with an indi-
ogy
vidual relevant question across all test recordings.
E 2062 Guide for PDD Examination Standards of Practice
3.1.12 stimulus onset—commencement of stimulus presen-
3. Terminology
tation.
3.1.13 tonic level—resting or baseline activity level of the
3.1 Definitions of Terms Specific to This Standard:
examinee.
3.1.1 3–position scale—whole number values from -1to 1
3.1.14 total numerical score—sum of scores for an entire
assigned systematically to responses to relevant and compari-
series of charts and questions.
son questions. These values are summed, and the PDD out-
come is governed by specified decision rules for which these
4. Summary of Practices
sums are used.
4.1 Global Evaluation:
3.1.2 7–position scale—whole number values from -3 to 3
4.1.1 Evaluators utilizing global interpretation shall:
assigned systematically to responses to relevant and compari-
4.1.1.1 Be formally trained in global interpretation.
son questions. These values are summed, and the PDD out-
4.1.1.2 Confirm that the recordings are suitable for global
come is governed by specified decision rules for which these
evaluation. If they are not suitable, no evaluation shall be
sums are used.
undertaken for the purpose of diagnosing truthfulness or
3.1.3 rank—a number assigned to individual responses
deception. Nothing shall preclude an evaluator from reporting
within a PDD recording hierarchically, according to relative
evidence of countermeasures when this evidence exists.
response intensity.
4.1.1.3 Use analysis methods generally recognized to be
accurate.
These practices are under the jurisdiction of ASTM Committee E52 on
4.1.2 When possible, numerical evaluation shall be pre-
Psychophysiology and is the direct responsibility of Subcommittee E52.05 on
ferred over global evaluation.
Psychophysiological Detection of Deception (PDD).
4.2 Numerical Evaluation:
Current edition approved August 10, 2002. Publish
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