2020
Association of Multidimensional Schizotypy With Psychotic-Like Experiences, Affect, and Social Functioning in Daily Life: Comparable Findings Across Samples and Schizotypy Measures
Kwapil T, Kemp K, Mielock A, Sperry S, Chun C, Gross G, Barrantes-Vidal N. Association of Multidimensional Schizotypy With Psychotic-Like Experiences, Affect, and Social Functioning in Daily Life: Comparable Findings Across Samples and Schizotypy Measures. Journal Of Psychopathology And Clinical Science 2020, 129: 492-504. PMID: 32250141, DOI: 10.1037/abn0000522.Peer-Reviewed Original ResearchConceptsPsychotic-like experiencesPositive schizotypyPositive affectNegative affectSchizotypy measuresSocial functioningSchizophrenia-spectrum psychopathologyDaily lifeAssessment of schizotypyNegative schizotypyMultidimensional schizotypySocial disinterestDaily life experiencesSchizotypyAffectMultidimensional modelNegative experiencesHypothesized patternConstruct validityESM questionnairesLife experiencesReal-world settingFunctioningUseful frameworkDifferent measures
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 structurePrediction of prodromal symptoms and schizophrenia-spectrum personality disorder traits by positive and negative schizotypy: A 3-year prospective study
Racioppi A, Sheinbaum T, Gross G, Ballespí S, Kwapil T, Barrantes-Vidal N. Prediction of prodromal symptoms and schizophrenia-spectrum personality disorder traits by positive and negative schizotypy: A 3-year prospective study. PLOS ONE 2018, 13: e0207150. PMID: 30408119, PMCID: PMC6224105, DOI: 10.1371/journal.pone.0207150.Peer-Reviewed Original ResearchConceptsNegative schizotypyPersonality traitsYoung adult samplePrevious cross-sectional findingsSchizophrenia-spectrum psychopathologyAvoidant personality traitsPsychotic-like symptomsPsychometric high-risk strategyMental health treatmentCross-sectional findingsPositive schizotypyPersonality disorder traitsSchizotypy dimensionsResilience factorsSchizotypyLongitudinal findingsAdult samplesNegative dimensionsDisorder traitsEmotional disturbancePredictive validityGeneral psychopathologyMultidimensional modelHealth treatmentMultidimensional 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 validityValidation 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
2016
Correction to Kane et al. (2016)
Kane M, Meier M, Smeekens B, Gross G, Chun C, Silvia P, Kwapil T. Correction to Kane et al. (2016). Journal Of Experimental Psychology General 2016, 145: 1603-1603. PMID: 27935733, DOI: 10.1037/xge0000248.Peer-Reviewed Original ResearchExecutive controlExecutive deficitsMind wanderingAttention constraintsIndividual-differences structureMind-wandering propensityLarge correlational studyLatent variable approachExecutive attentionParanoid schizotypyAttentional constraintsNegative schizotypyIndividual differencesAttention controlSeparable constructsMemory capacityExecutive failureMultidimensional constructSchizotypyWMCCorrelational studySchizophrenia symptomsSchizophreniaConstructsM. GrossIndividual Differences in the Executive Control of Attention, Memory, and Thought, and Their Associations With Schizotypy
Kane M, Meier M, Smeekens B, Gross G, Chun C, Silvia P, Kwapil T. Individual Differences in the Executive Control of Attention, Memory, and Thought, and Their Associations With Schizotypy. Journal Of Experimental Psychology General 2016, 145: 1017-1048. PMID: 27454042, PMCID: PMC4965188, DOI: 10.1037/xge0000184.Peer-Reviewed Original ResearchConceptsExecutive deficitsMind wanderingAttention constraintsIndividual-differences structureMind-wandering propensityLarge correlational studyLatent variable approachExecutive attentionParanoid schizotypyExecutive controlAttentional constraintsNegative schizotypyAttention controlSeparable constructsMemory capacityExecutive failureMultidimensional constructWMCSchizotypyCorrelational studySchizophrenia symptomsSchizophreniaConstructsTaskDeficits
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
2013
Prediction of Psychopathology and Functional Impairment by Positive and Negative Schizotypy in the Chapmans’ Ten-Year Longitudinal Study
Kwapil T, Gross G, Silvia P, Barrantes-Vidal N. Prediction of Psychopathology and Functional Impairment by Positive and Negative Schizotypy in the Chapmans’ Ten-Year Longitudinal Study. Journal Of Psychopathology And Clinical Science 2013, 122: 807-815. PMID: 24016018, DOI: 10.1037/a0033759.Peer-Reviewed Original ResearchConceptsNegative schizotypyPredictive validityPrediction of psychopathologyLongitudinal dataTen-year longitudinal studyNegative symptom dimensionsSchizophrenia spectrum disordersMental health treatmentPoor adjustmentSocial impairmentValidity findingsSchizoid symptomsRecent cross-sectional studySchizotypyCross-sectional studySymptom dimensionsControl participantsDevelopment of schizophreniaPositive dimensionUseful constructHealth treatmentParanoid symptomsMultidimensional structureLongitudinal studyDifferential patterns