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Do paranoid delusions exist on a continuum with subclinical paranoia?: a multi-method taxometric study

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Do paranoid delusions exist on a continuum with subclinical paranoia? a multi-method taxometric study. / Elahi, A.; Perez Algorta, Guillermo Daniel; Varese, F.; McIntyre, J.C.; Bentall, R.P.

In: Schizophrenia Research, Vol. 190, 12.2017, p. 77-81.

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Elahi, A. ; Perez Algorta, Guillermo Daniel ; Varese, F. ; McIntyre, J.C. ; Bentall, R.P. / Do paranoid delusions exist on a continuum with subclinical paranoia? a multi-method taxometric study. In: Schizophrenia Research. 2017 ; Vol. 190. pp. 77-81.

Bibtex

@article{361daf05f1df4fcdaf363ca2feea74b7,
title = "Do paranoid delusions exist on a continuum with subclinical paranoia?: a multi-method taxometric study",
abstract = "Background: There is widespread interest in whether psychosis exists on a continuum with healthy functioning. Previous research has implied that paranoia, a common symptom of psychosis, exists on a continuum but this has not been investigated using samples including both patients and non-patients and up-to-date taxometric methods. Aim: To assess the latent structure of paranoia in a diverse sample using taxometric methods. Method: We obtained data from 2836 participants, including the general population as well as at- risk mental state and psychotic patients using the P-scale of the Paranoia and Deservedness Scale. Data were analysed using three taxometric procedures, MAMBAC, MAXEIG and L-MODE (Ruscio, 2016), and two sets of paranoia indicators (subscales and selected items from the P scale), including and excluding the patient groups. Results: Eleven of the twelve analyses supported a dimensional model. Using the full sample and subscales as indicators, the MAMBAC analysis was ambiguous. Overall, the findings converged on a dimensional latent structure. Conclusions: A dimensional latent structure of paranoia implies that the processes involved in sub-clinical paranoia may be similar to those in clinical paranoia.",
keywords = "Paranoia, Taxometrics, Dimensional, MAMBAC, MAXEIG, L-MODE",
author = "A. Elahi and {Perez Algorta}, {Guillermo Daniel} and F. Varese and J.C. McIntyre and R.P. Bentall",
year = "2017",
month = dec,
doi = "10.1016/j.schres.2017.03.022",
language = "English",
volume = "190",
pages = "77--81",
journal = "Schizophrenia Research",
issn = "0920-9964",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Do paranoid delusions exist on a continuum with subclinical paranoia?

T2 - a multi-method taxometric study

AU - Elahi, A.

AU - Perez Algorta, Guillermo Daniel

AU - Varese, F.

AU - McIntyre, J.C.

AU - Bentall, R.P.

PY - 2017/12

Y1 - 2017/12

N2 - Background: There is widespread interest in whether psychosis exists on a continuum with healthy functioning. Previous research has implied that paranoia, a common symptom of psychosis, exists on a continuum but this has not been investigated using samples including both patients and non-patients and up-to-date taxometric methods. Aim: To assess the latent structure of paranoia in a diverse sample using taxometric methods. Method: We obtained data from 2836 participants, including the general population as well as at- risk mental state and psychotic patients using the P-scale of the Paranoia and Deservedness Scale. Data were analysed using three taxometric procedures, MAMBAC, MAXEIG and L-MODE (Ruscio, 2016), and two sets of paranoia indicators (subscales and selected items from the P scale), including and excluding the patient groups. Results: Eleven of the twelve analyses supported a dimensional model. Using the full sample and subscales as indicators, the MAMBAC analysis was ambiguous. Overall, the findings converged on a dimensional latent structure. Conclusions: A dimensional latent structure of paranoia implies that the processes involved in sub-clinical paranoia may be similar to those in clinical paranoia.

AB - Background: There is widespread interest in whether psychosis exists on a continuum with healthy functioning. Previous research has implied that paranoia, a common symptom of psychosis, exists on a continuum but this has not been investigated using samples including both patients and non-patients and up-to-date taxometric methods. Aim: To assess the latent structure of paranoia in a diverse sample using taxometric methods. Method: We obtained data from 2836 participants, including the general population as well as at- risk mental state and psychotic patients using the P-scale of the Paranoia and Deservedness Scale. Data were analysed using three taxometric procedures, MAMBAC, MAXEIG and L-MODE (Ruscio, 2016), and two sets of paranoia indicators (subscales and selected items from the P scale), including and excluding the patient groups. Results: Eleven of the twelve analyses supported a dimensional model. Using the full sample and subscales as indicators, the MAMBAC analysis was ambiguous. Overall, the findings converged on a dimensional latent structure. Conclusions: A dimensional latent structure of paranoia implies that the processes involved in sub-clinical paranoia may be similar to those in clinical paranoia.

KW - Paranoia

KW - Taxometrics

KW - Dimensional

KW - MAMBAC

KW - MAXEIG

KW - L-MODE

U2 - 10.1016/j.schres.2017.03.022

DO - 10.1016/j.schres.2017.03.022

M3 - Journal article

VL - 190

SP - 77

EP - 81

JO - Schizophrenia Research

JF - Schizophrenia Research

SN - 0920-9964

ER -