ASTM E2035-01a

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: E 2035 – 01a
Standard Terminology Relating to
1
Forensic Psychophysiology
This standard is issued under the fixed designation E 2035; 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 the physiological data are stable and interpretable and that
the evaluation criteria used by the examiner concluded that
1.1 This is a compilation of terms and corresponding
the examinee was not being completely truthful to the
definitions used in forensic psychophysiology. Legal or scien-
relevant issue. Deception indicated corresponds to the term
tific terms that generally are understood or defined adequately
“Significant Physiological Responses,” or SPR.
in other readily available sources may not be included.
forensic psychophysiology, n—the scientific discipline deal-
1.2 A definition is a single sentence with additional infor-
ing with the relationship and applications of PDD tests
mation included in notes. It is reviewed every five years, and
within the legal system. It encompasses the academic disci-
the year of the last review or revision is appended.
pline that provides the student, the practitioner, and the
1.3 Definitions identical to those published by another
researcher with the theoretical and applied psychological,
standards organization or ASTM committee are identified with
physiological, and psychophysiological fundamentals for a
the abbreviation of the name of the organization or the
thorough understanding of PDD tests, and the skills and
identifying document and ASTM committee; for example,
qualifications for conducting PDD examinations. The modi-
ASME is the American Society of Mechanical Engineering.
fier “forensic” delineates and delimits this discipline from
1.4 Definitions of terms specific to a particular field are
the broader discipline of psychophysiology.
identified with an abbreviation.
homeostasis, n—a complex interactive regulatory system by
2. Significance and Use which the body strives to maintain a state of internal
equilibrium.
2.1 These terms have particular application to the scientific
irrelevant question, n—An irrelevant question is designed to
discipline of forensic psychophysiology. In addition, a heirar-
be a non-emotion provoking question. Also referred to as
chy of sources of definitions are used in the development of
“norms” or “neutral questions.”
this terminology. The heirarchy is as follows: Websters’s New
no deception indicated (NDI), n—no deception indicated is a
World Dictionary, Third College Edition; technical dictionar-
conventional term for a PDD outcome. A decision of NDI
ies; and, the Compilation of ASTM Standard Definitions. The
means that the physiological data are stable and interpretable
subcommittee developed a suitable definition after all of the
and that the evaluation criteria used by the examiner
sources in the heirarchy are found wanting.
concluded that the examinee was being completely truthful
3. Terminology
to the relevant issue. No deception indicated corresponds to
the term “No Significant Physiological Responses,” or NSR.
3.1 Terms and Definitions:
phasic response, n—a response, typically of short duration,
cardiovascular tracing, n—a display of physiological patterns
where the level of physiological arousal returns to its
of the subject’s relative blood volume and pulse rate. The
pre-arousal state.
cardiograph component records this activity.
relevent question, n—a question that pertains directly to the
electrodermal tracing, n—the display of physiological pat-
matter under investigation or to the issue(s) for which the
terns of either skin resistance or skin conductance obtained
examinee is being tested.
through exosomatic recording with a galvanograph compo-
response, n—a physiological change that occurs following,
nent.
and is attributable to, the presentation of an applied stimulus
deception indicated (DI), n—deception indicated is a conven-
(for example, reviewed test question).
tional term for a PDD outcome. A decision of DI means that
PDD examination, n—a process that encompasses all activi-
ties that take place between a PDD examiner and an
examinee during a specific series of interactions. These
1
This terminology standard is under the jurisdiction of ASTM Committee E52
interactions may include the pretest interview, the use of the
on Forensic Psychophysiology and is the direct responsibility of Subcommittee
E52.06 on Terminology. polygraph to collect physiological data from the examinee
Current edition approved Sept. 10, 2001. Published November 2001. Originally
while presenting a series of tests, the test data analysis phase,
publish
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