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64 J. Crim. L. & Criminology 99 (1973)
Self-Reports of Deviant Behavior: Predictive and Stable

handle is hein.journals/jclc64 and id is 105 raw text is: TE JouxEAL or CRMUnAL LAw AND CRnarnoroGy
Copyright 0 1973 by Northwestern University School of Ldw

SELF-REPORTS OF DEVIANT BEHAVIOR: PREDICTIVE AND STABLE?
DAVID P. FARRINGTON*

INTRODUCTION
The key dependent variable in criminology is
deviant behavior. in the past, this has often
been defined according to the criminal law and
measured using the official statistics of crime.
However, it is now generally believed that official
records do not provide an accurate measure of
deviant behavior. Criticisms of official statistics
have stimulated the development of alternative
methods of measuring deviant behavior, and one
of the most popular of these is the self-report
questionnaire. The use of such questionnaires
has increased dramatically in the last decade,
but their technical development, as measured by
the usual psychometric criteria, seems to have
stagnated since the pioneering work of Nye and
Short.'
Ideally, what is needed is a standard question-
naire with a routine procedure for administration,
objective scoring, norms for various populations,
details of internal consistency, retest stability and
concurrent and predictive validity. Without such
a technically advanced questionnaire, it is im-
possible to be sure that this method of measuring
deviant behavior is superior to the official records.
It is illuminating to review the progress which
has so far been made towards the psychometric
ideal.2
Questionnaire Construction
It has been argued that each questionnaire
contains a sample from a population (f deviant
acts.3 Consequently, the correctness of any con-
* Research  Psychologist, Cambridge University
Institute of Criminology. This research was supported
by the British Home Office.                  ,
INye & Short, Scaling Delinquent Behavior, 22
Am. SocioLoGicA. REv. 326-331 (1957); Short & Nye,
The Extent of Unrecorded Juvenile Delinquency: Tenta-
tive Condusiow, 49 J. Cmv. L.C. & P.S. 296-302
(1958); F. NYE, FAmIY RELATiONSmpS AND DE-
LiNQuENT BEHAVIOR 10-22 (1958).
2 Se also R. HAnDT & G. BODINE, DEVELOPMENT OP
SELF-REPoRT INSTRUIm NTS Ix DELInQUENcY RE-
SEARCH (1965); R. HOOD & R. SPAREs, KEY IssUEs
IN CRmINOLOraY 61-70 (1970).
3 Christie, Andenaes & Skirbekk, A Study of Self-
reported Crime, in 1 ScANDIxAVIAN STUDIES IN Cuan-
NOLOGY 94 (K. Christiansen ed. 1965).

clusions about the population (deviant behavior
in general) depends on the representativeness of
the sample. Comparatively trivial acts have often
been over-represented on questionnaires, typi-
cally because of the admission frequencies re-
quired for statistical operations such as Guttman
scaling.'
In most investigations, all the questions have
been phrased in the same direction, with the re-
spondents asked whether they had committed each
deviant act. This means that response sets such
as acquiescence might constitute important sources
of bias.6 In order to minimize such bias, the items
could be phrased both positively and negatively,
or alternatively scattered at random throughout
a larger questionnaire.6
Ideally, each item should be interpreted in the
same way by each respondent.7 This is particu-
larly unlikely to happen when evaluative words
like stealing are used in the description of the
acts. What is objectively the same sequence of
actions might be termed stealing by one re-
spondent but not by another. A uniform inter-
pretation might be secured by carefully defining
each act in terms of specified behavior in a sped-
fled situation. However, very complex descrip-
tions could militate against understanding, and
each act might in the end cover such a minute
segment of behavior that the questionnaire
would need to be impractically long.
Administration Procedure
Some self-report questionnaires have been
completed non-vocally by respondents with a
minimum of supervision, often in a group situa-
4Voss, Socio-conomic Status and Reported De-
linquent .Behaior, 13 SOCIAL PROBLMS 316 (1965).
5 See, e.g., P. VERNON, PERsoNALrY AssEssmENT:
A CRITICAL SuRvEY 206-211 (1964).
6See also Hardt & Peterson, Arrests of Self and
Friends as Indicators of Delinquency Involvement, 5
J. RESEARCH IN CRruM & DELINQUENcY 46 (1968).
7Interpretations placed on acts by respondents
have been investigated by Elinhom, Study in Self-re-
potted Delinquency among School Children in Stockholm,
in 1 ScANDmJAvm  STDiES IN CRIMNoLoGY 123-124
(K. Christiansen ed. 1965); and by Heise, Norms and
Individual Patterns in Student Deviancy, 16 SOCIAL
PROBLEMS 92 (1968).

Vol. 64, No. I
Printed in U.S.A.

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