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A parallel form of the Gudjonsson Suggestibility Scale
1Institute of Psychiatry, Denmark Hill, London.
The British Journal of Clinical Psychology
|September 1, 1987
Summary
This study introduces a new parallel form of the Gudjonsson Suggestibility Scale (GSS). Results confirm high temporal consistency for interrogative suggestibility, crucial for forensic psychology assessments.
Area of Science:
- Psychology
- Forensic Psychology
- Psychometrics
Background:
- Suggestibility is a key factor in legal and clinical settings.
- Assessing interrogative suggestibility requires reliable measurement tools.
- The Gudjonsson Suggestibility Scale (GSS) is a widely used instrument.
Purpose of the Study:
- To introduce a parallel form (Form 1) of the Gudjonsson Suggestibility Scale (GSS).
- To evaluate the test-retest reliability of interrogative suggestibility measurements.
- To establish the temporal consistency of suggestibility assessments in different populations.
Main Methods:
- Development and administration of a parallel GSS form.
- Counterbalanced administration of two GSS forms to three subject groups (normal and forensic patients).
- Assessment of correlations between scale administrations at different time intervals (immediate and delayed).
Main Results:
- All correlation analyses yielded highly significant results.
- Demonstrated strong support for the temporal consistency of interrogative suggestibility.
- The new GSS form showed reliable retest scores across varying time intervals.
Conclusions:
- The parallel form of the GSS is a reliable tool for assessing interrogative suggestibility.
- Interrogative suggestibility exhibits high temporal consistency, even over extended periods.
- Findings support the robust nature of suggestibility measures in forensic and clinical contexts.