2020
Differential Item Functioning of the Multidimensional Schizotypy Scale and Multidimensional Scale-Brief Across Ethnicity
Li L, Meyer M, Martin E, Gross G, Kwapil T, Cicero D. Differential Item Functioning of the Multidimensional Schizotypy Scale and Multidimensional Scale-Brief Across Ethnicity. Psychological Assessment 2020, 32: 383-393. PMID: 31944793, DOI: 10.1037/pas0000798.Peer-Reviewed Original ResearchConceptsMultidimensional Schizotypy ScaleSoutheast AsiansDiminished formEast AsiansSchizotypy scalesDifferential itemBrief versionEthnic groupsMSS measuresUnited StatesMultiracialBRIEF subscalesFuture researchUndergraduate participantsWhite participantsVariety of populationsAsiansSchizotypyLatent levelPersonality InventoryDiverse groupPsychometric propertiesValidity coefficientsPsychoticism scaleSame construct
2018
Exploratory Graph Analysis of the Multidimensional Schizotypy Scale
Christensen A, Gross G, Golino H, Silvia P, Kwapil T. Exploratory Graph Analysis of the Multidimensional Schizotypy Scale. Schizophrenia Research 2018, 206: 43-51. PMID: 30573405, DOI: 10.1016/j.schres.2018.12.018.Peer-Reviewed Original ResearchConceptsMultidimensional Schizotypy ScaleConfirmatory factor analysisSchizotypy scalesExploratory graph analysisNegative schizotypy dimensionsFour-factor modelThree-factor modelPositive schizotypyNegative schizotypySchizotypy dimensionsSchizotypy factorsQuestionnaire measuresDisorganized dimensionBrief versionSchizotypyDifferential associationsFactor analysisFuture researchIndependent samplesModel fitTheoretical dimensionsDimensional structureAssociation of positive, negative, and disorganized schizotypy dimensions with affective symptoms and experiences
Kemp K, Gross G, Barrantes-Vidal N, Kwapil T. Association of positive, negative, and disorganized schizotypy dimensions with affective symptoms and experiences. Psychiatry Research 2018, 270: 1143-1149. PMID: 30366639, DOI: 10.1016/j.psychres.2018.10.031.Peer-Reviewed Original ResearchConceptsMultidimensional Schizotypy ScaleHypomanic traitsPositive schizotypyElevated negative affectAffective symptomsSchizophrenia-spectrum psychopathologyMeasures of depressionCognitive behavioral deficitsThree-factor modelNegative schizotypyState affectPositive affectSchizotypy dimensionsNegative affectComorbid expressionSchizotypy scalesSocial phobiaSchizotypyAnxiety disordersMTurk workersAffectSchizophrenia spectrumCollege studentsUseful constructConstruct validityValidity of the Multidimensional Schizotypy Scale: Associations With Schizotypal Traits and Normal Personality
Kwapil T, Gross G, Burgin C, Raulin M, Silvia P, Barrantes-Vidal N. Validity of the Multidimensional Schizotypy Scale: Associations With Schizotypal Traits and Normal Personality. Personality Disorders Theory Research And Treatment 2018, 9: 458-466. PMID: 29722996, DOI: 10.1037/per0000288.Peer-Reviewed Original ResearchConceptsMultidimensional Schizotypy ScaleSchizotypal traitsSchizotypy subscalesPersonality traitsCognitive-perceptual schizotypal traitsPsychometric propertiesDisorganized schizotypal traitsConstruct validitySchizotypal personality traitsNegative associationFive-factor modelExcellent internal consistency reliabilityLarge multisite sampleSchizotypy scalesInternal consistency reliabilityPositive associationMultisite sampleSubscalesDerivation sampleConsistency reliabilityNeuroticismStrong associationSchizotypyTraitsOpennessValidation of the Multidimensional Schizotypy Scale-Brief in Two Large Samples
Gross G, Kwapil T, Burgin C, Raulin M, Silvia P, Kemp K, Barrantes-Vidal N. Validation of the Multidimensional Schizotypy Scale-Brief in Two Large Samples. Journal Of Psychopathology And Behavioral Assessment 2018, 40: 669-677. DOI: 10.1007/s10862-018-9668-4.Peer-Reviewed Original ResearchSchizotypal traitsFive-factor modelSchizotypy dimensionsPsychometric propertiesCognitive-perceptual schizotypal traitsDisorganized schizotypal traitsMultidimensional Schizotypy ScalePositive schizotypy dimensionSchizotypal personality traitsLarge sampleNegative schizotypyOriginal derivation sampleFull-length scalesSchizotypy scalesPersonality traitsSchizotypyHypothesized patternConstruct validitySample 2Sample 1Derivation sampleDistinct associationsStrong associationPresent findingsContent coverage
2017
The multidimensional schizotypy scale-brief: Scale development and psychometric properties
Gross G, Kwapil T, Raulin M, Silvia P, Barrantes-Vidal N. The multidimensional schizotypy scale-brief: Scale development and psychometric properties. Psychiatry Research 2017, 261: 7-13. PMID: 29272752, DOI: 10.1016/j.psychres.2017.12.033.Peer-Reviewed Original ResearchConceptsMultidimensional Schizotypy ScalePattern of findingsCross-validation sampleSchizotypy scalesPsychometric propertiesSeparate cross-validation samplePromising brief measurePattern of intercorrelationsHigh internal consistency reliabilityAmazon Mechanical TurkTest information functionItem response theoryClassical test theoryBrief measureInternal consistency reliabilityBrief versionMechanical TurkDifferential itemSubscalesTest theorySchizotypyOriginal subscalesScale developmentBest itemsResponse theory
2015
The dimensional structure of short forms of the Wisconsin Schizotypy Scales
Gross G, Silvia P, Barrantes-Vidal N, Kwapil T. The dimensional structure of short forms of the Wisconsin Schizotypy Scales. Schizophrenia Research 2015, 166: 80-85. PMID: 26036815, DOI: 10.1016/j.schres.2015.05.016.Peer-Reviewed Original ResearchConceptsWisconsin Schizotypy ScalesConfirmatory factor analysisSchizotypy scalesTwo-factor structureTwo-factor modelPreliminary construct validityShort formNegative schizotypyQuestionnaire measuresNegative dimensionsFactor structureSchizotypyConstruct validityMultidimensional natureFactor analysisLarge sampleOriginal scaleSchizotypy modelDimensional structureGood reliabilityValidityFirst studyPsychopathologyScale dimensionsPersonality
2014
Comparing the Factor Structure of the Wisconsin Schizotypy Scales and the Schizotypal Personality Questionnaire
Gross G, Mellin J, Silvia P, Barrantes-Vidal N, Kwapil T. Comparing the Factor Structure of the Wisconsin Schizotypy Scales and the Schizotypal Personality Questionnaire. Personality Disorders Theory Research And Treatment 2014, 5: 397-405. PMID: 25314229, DOI: 10.1037/per0000090.Peer-Reviewed Original ResearchConceptsSchizotypal Personality QuestionnaireWisconsin Schizotypy ScalesFactor structureSchizotypy scalesInterpersonal factorsPersonality QuestionnaireCognitive-perceptual factorsFactor analysisFive-factor modelConfirmatory factor analysisPositive schizotypySchizotypy dimensionsPatterns of associationPsychometric measuresExploratory factor analysisSchizotypyMultidimensional constructDisorganization factorSubclinical levelsMultidimensional structureDifferent constructsPrevious findingsComparable constructsSchizophrenic symptomsComparable factors