Research Letter: From stress to paranoia: an experimental investigation of the moderating and mediating role of reasoning biases

Lincoln, Tania M.; Peter, Nina; Schäfer, Manuela; Moritz, Steffen

doi:10.1017/s003329170999095x

Cited by 28 publications

(19 citation statements)

References 20 publications

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“…After that, the 18-item Paranoia Checklist [53] was administered which assesses paranoid beliefs. Good psychometric properties of the German version have been demonstrated in previous studies [62, 63]. At the end of the survey, each subject was randomly presented with one out of two versions of the fish task.…”

Section: Methodsmentioning

confidence: 78%

Jumping to Conclusions Is Associated with Paranoia but Not General Suspiciousness: A Comparison of Two Versions of the Probabilistic Reasoning Paradigm

Moritz

Quaquebeke

Lincoln

2012

Schizophrenia Research and Treatment

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Theoretical models ascribe jumping to conclusions (JTCs) a prominent role in the pathogenesis of paranoia. While many earlier studies corroborated this account, some newer investigations have found no or only small associations of the JTC bias with paranoid symptoms. The present study examined whether these inconsistencies in part reflect methodological differences across studies. The study was built upon the psychometric high-risk paradigm. A total of 1899 subjects from the general population took part in an online survey and were administered the Paranoia Checklist as well as one of two different variants of the probabilistic reasoning task: one variant with a traditional instruction (a) and one novel variant that combines probability estimates with decision judgments (b). Factor analysis of the Paranoia Checklist yielded an unspecific suspiciousness factor and a psychotic paranoia factor. The latter was significantly associated with scores indicating hasty decision making. Subjects scoring two standard deviations above the mean of the Paranoia Checklist showed an abnormal data-gathering style relative to subjects with normal scores. Findings suggest that the so-called decision threshold parameter is more sensitive than the conventional JTC index. For future research the specific contents of paranoid beliefs deserve more consideration in the investigation of decision making in schizophrenia as JTC seems to be associated with core psychosis-prone features of paranoia only.

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Section: Methodsmentioning

confidence: 78%

Jumping to Conclusions Is Associated with Paranoia but Not General Suspiciousness: A Comparison of Two Versions of the Probabilistic Reasoning Paradigm

Moritz

Quaquebeke

Lincoln

2012

Schizophrenia Research and Treatment

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“…The Paranoia Checklist (Freeman et al, 2005) consists of 18 items tapping into subclinical as well as clinical signs of paranoid beliefs and suspiciousness. The psychometric properties are good (Freeman et al, 2005;Lincoln et al, 2010). The test-retest reliability of the online version is excellent (Moritz et al, in press-a; Moritz et al, 2014) and the scale shows good internal consistency and convergent validity .…”

Section: Secondary Outcomesmentioning

confidence: 98%

Effects of online intervention for depression on mood and positive symptoms in schizophrenia

Moritz

Schröder

Klein

et al. 2016

Schizophrenia Research

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“…There are different versions of the state Paranoia Checklist: the three-, five-, and 13-items versions (Schlier, Moritz, & Lincoln, 2016). The Paranoia Checklist was translated to German (Lincoln, Peter, Schafer, & Moritz, 2010;Lincoln, Ziegler, Lüllmann, Müller, & Rief, 2010) and Japanese (Yamauchi, Sudo, & Tanno, 2007, 2009a languages.…”

Section: Research-article20182018mentioning

confidence: 99%

“…There are some psychological approaches for paranoid and suspicious thoughts (Freeman & Garety, 2006). Lincoln, Peter, et al (2010) suggested a combined meta-cognitive training directed at reasoning biases and promoting emotion regulation skills. The study of Amirpour, Tabatabaee, Modares-Gharavi, and Hasanabadi (2010) showed that cognitive behavioral therapy reduced paranoid ideations, persecutory delusions, and anxiety associated with them in Iranian paranoid schizophrenic patients.…”

Section: Research-article20182018mentioning

confidence: 99%

Reliability, Validity, and Factorial Structure of the Farsi Version of the Paranoia Checklist With Iranian Students

et al. 2018

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Paranoid thought is one of the most common symptoms in psychiatric disorders. The Paranoia Checklist is a brief screening and diagnostic tool for clinical and subclinical paranoia. It has been used in research, clinical, and non-clinical settings. The Paranoia Checklist has not had its validity examined in university settings in Iran. A cross-sectional study was conducted to investigate the validation of the Farsi version of Paranoia Checklist in a randomized cluster sample of 365 Iranian volunteer college students selected from the Payame Noor University of Mashhad in Iran. They completed the Paranoia Checklist, the General Paranoia Scale, and the Symptom Checklist 90 Revised (SCL-90-R). The mean score of the Paranoia Checklist was 35.50 (SD = 7.21). The Cronbach's α for the Paranoia Checklist was .87, indicating high internal consistency. The Paranoia Checklist correlated .42 with the General Paranoia Scale, .38 with the SCL-90-R subscales of Anxiety (ANX), Hostility (HOS), and Paranoia Ideation (PAR), and .37 with the Interpersonal Sensitivity (INTS), denoting moderate construct and criterion-related validity. The results of the factor analysis of the Paranoia Checklist identified three factors associated with the paranoid thoughts. The Paranoia Checklist has a multidimensional structure, and adequate validity and reliability. It can be used in the non-clinical, clinical, and research settings to measure paranoia in Iran.

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Research Letter: From stress to paranoia: an experimental investigation of the moderating and mediating role of reasoning biases

Cited by 28 publications

References 20 publications

Jumping to Conclusions Is Associated with Paranoia but Not General Suspiciousness: A Comparison of Two Versions of the Probabilistic Reasoning Paradigm

Jumping to Conclusions Is Associated with Paranoia but Not General Suspiciousness: A Comparison of Two Versions of the Probabilistic Reasoning Paradigm

Effects of online intervention for depression on mood and positive symptoms in schizophrenia

Reliability, Validity, and Factorial Structure of the Farsi Version of the Paranoia Checklist With Iranian Students

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