Evidence map›Paper›PMID 29625786›Full record

ArticlePsychiatry research2018

Development and public release of a computerized adaptive (CAT) version of the Schizotypal Personality Questionnaire.

Tyler M Moore, Monica E Calkins, Steven P Reise, Ruben C Gur, Raquel E Gur

Abstract read
In one paragraph

Article in Psychiatry research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

  1. Article
  2. Development of a computerized adaptive test to assess entrepreneurial personality.Psicologia, reflexao e critica : revista semestral do Departamento de Psicologia da UFRGS · 2020
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Tyler M MooreDepartment of Psychiatry, Brain Behavior Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA. Electronic address: tymoore@upenn.edu.
Monica E CalkinsDepartment of Psychiatry, Brain Behavior Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
Steven P ReiseDepartment of Psychology, University of California, Los Angeles, CA, 90095, USA.
Ruben C GurDepartment of Psychiatry, Brain Behavior Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; VISN4 Mental Illness Research, Education, and Clinical Center at the Philadelphia VA Medical Center, Philadelphia, PA, 19104, USA.
Raquel E GurDepartment of Psychiatry, Brain Behavior Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.

Funding

Neurodevelopmental Genomics: Trajectories of Complex PhenotypesRC2MH089983 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI GUR, RAQUEL E · 2009 to 2011
$14.3M
NMDA Receptor Hypofunction in the Amygdala of Schizophrenia PatientsP50MH096891 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI BILKER, WARREN B. · 2012 to 2016
$10.6M
SCHIZOPHRENIA: A NEUROPSYCHIATRIC PERSPECTIVET32MH019112 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI GUR, RAQUEL E · 1990 to 2024
$6.2M
NIMH NIH HHS P50 MH096891NIMH NIH HHS RC2 MH089983NIMH NIH HHS T32 MH019112
6 · The paper itself

Abstract

One of the most widely used measures of psychosis-related symptoms and characteristics is the 74-item Schizotypal Personality Questionnaire (SPQ). Using multidimensional Item Response Theory (bifactor 2-parameter model), we calibrated SPQ items in a sample of 375 youths aged 9-24 years and constructed a fully functional computerized adaptive form of the SPQ on an open-source platform for public use. To assess validity, we used the above parameters to simulate CAT sessions in a separate validation sample (N = 100) using three test-length-based stopping rules: 8 items, 16 items, and 32 items. Those scores were then compared to full-form and SPQ-Brief scores on their abilities to predict psychosis or clinical risk status. Areas under the receiver operating characteristic curves indicated mediocre predictive ability, but did not differ among any of the forms, even when only eight adaptive items were administered. The Youden index for the 16-item adaptive version was higher than that for the 22-item SPQ-Brief. Classification accuracy for the full SPQ was 73% compared to 66% for the both the SPQ-Brief and adaptive versions (average of three stopping rules). The SPQ-CAT shows promise as a much shorter but valid assessment of schizotypy which can save time with minimal loss of information.

Indexed as

AdolescentAdultCohort StudiesDiagnosis, Computer-AssistedFemaleHumansMalePersonality InventoryReproducibility of ResultsSchizotypal Personality DisorderSelf ReportSurveys and QuestionnairesComputerized Adaptive TestingItem Response TheoryPsychosisSchizotypal Personality QuestionnaireSchizotypy

Identifiers

PMID29625786
PMCPMC5911247

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.