Long-term reliability of the Frankfurt Complaint Questionnaire (FCQ) was investigated in two follow-up studies of participants with psychosis using a test-retest method. In the first study (N = 56), the duration of the follow-up ranged from 6 months to 2 years; Spearman rho was .62 for the abridged (18 items) Spanish version of the questionnaire. In Study 2 (N = 21), in participants with stable schizophrenia, the follow-up ranged from 8 to 11 years; test-retest Spearman rho was .83 for the French version of the questionnaire. Subjective experiences could constitute, in psychosis-prone people, traits or markers of psychotic vulnerability.
Get full access to this article
View all access options for this article.
References
1.
CuestaM. J.PeraltaV., & IrigoyenI. (1996) Factor analysis of the Frankfurt Complaint Questionnaire in a Spanish sample. Psychopathology, 29, 46–53.
2.
CuestaM. J.PeraltaV.ZarzuelaA., & ZandioM. (2006) Insight dimensions and cognitive function in psychosis: a longitudinal study. BMC Psychiatry, 6(26), 1–10.
3.
GrossG.HuberG.KlosterkötterJ., & LinzM. (1987) Bonner skala für die beurteilung von basissymptomem (BSABS; Bonn Scale for the Assessment of Basic Symptoms). Berlin: Springer.
4.
KlosterkötterJ.HellmichM.SteinmeyerE. M., & Schultze-LutterF. (2001) Diagnosing schizophrenia in the initial prodromal phase. Archives of General Psychiatry, 58, 158–164.
5.
LoasG.BernerP.ReinW.YonV.BoyerP., & LecrubierY. (1997) French translation of the Frankfurt Complaint Questionnaire (FCQ, Süllwold, 1986). Encéphale, XXIII, 364–374.
6.
LoasG.YonV., & BrienD. (2002) Dimensional structure of the Frankfurt Complaint Questionnaire. Comprehensive Psychiatry, 43, 397–403.
7.
PeraltaV., & CuestaM. J. (1994) Subjective experiences in schizophrenia: a critical review. Comprehensive Psychiatry, 35, 198–204.
YonV.LoasG., & MonestèsJ. L. (2008) Dimensional structure of the Frankfurt Complaint Questionnaire in a sample of French students. Psychopathology, 41, 85–89.
10.
YonV.LoasG., & MonestèsJ. L. (2009) Relationships between schizotypy and subjective experiences in a sample of 399 university students. Comprehensive Psychiatry, 2, 142–150.
