2022
Comparative effectiveness of group v. individual trauma-focused treatment for posttraumatic stress disorder in veterans
Spiller TR, Duek O, Buta E, Gross G, Smith NB, Harpaz-Rotem I. Comparative effectiveness of group v. individual trauma-focused treatment for posttraumatic stress disorder in veterans. Psychological Medicine 2022, 53: 4561-4568. PMID: 35959560, PMCID: PMC10388318, DOI: 10.1017/s0033291722001441.Peer-Reviewed Original ResearchConceptsGroup cognitive processing therapyCognitive processing therapyPosttraumatic stress disorderIndividual cognitive processing therapyPTSD symptom severitySymptom severityStress disorderReal-world effectivenessComparative effectiveness studiesResidential treatmentEffective treatmentComparative effectivenessVeterans AffairsEffectiveness studiesPTSD ChecklistPTSD severityGroup therapySeverityVeteransTreatmentDSM-5Group V.TherapyDisordersSmall reduction
2020
Patient and provider barriers, facilitators, and implementation preferences of intimate partner violence perpetration screening
Portnoy GA, Colon R, Gross GM, Adams LJ, Bastian LA, Iverson KM. Patient and provider barriers, facilitators, and implementation preferences of intimate partner violence perpetration screening. BMC Health Services Research 2020, 20: 746. PMID: 32791967, PMCID: PMC7424651, DOI: 10.1186/s12913-020-05595-7.Peer-Reviewed Original ResearchConceptsIntimate partner violenceImplementation preferencesIntimate Partner Violence PerpetrationPartner violence perpetrationIPV experiencesProvider barriersPartner violenceQualitative interviewsViolence perpetrationVHA healthcareVeterans Health Administration patientsWay of screeningIPV useUnderstudied aspectSelf-report screening toolContent analysisHealthcare responseStrong rapportProfessional disciplinesComprehensive processSubstantial prevalenceVHA providersFacilitatorsClinical practiceProviders' beliefsPerceived Stress Mediates the Association between Deployment Sexual Trauma and Nicotine Dependence in Women Veterans
Gross GM, Colon R, Bastian LA, Hoff R. Perceived Stress Mediates the Association between Deployment Sexual Trauma and Nicotine Dependence in Women Veterans. Women's Health Issues 2020, 30: 214-220. PMID: 32317136, DOI: 10.1016/j.whi.2020.03.001.Peer-Reviewed Original ResearchConceptsNicotine dependenceWomen veteransSexual traumaBaseline interview dataRates of smokingCross-sectional associationsRelated health consequencesDeleterious health outcomesPerceived stressMilitary sexual traumaRisk factorsTobacco useHayes mediation modelHealth outcomesClinical targetsHealth consequencesTraumaVeteran sampleSmokingVeteransAssociationPresent studySurvey of experiencesCivilian counterpartsSignificant mediatorDifferential 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 constructSex Differences in Military Sexual Trauma and Severe Self-Directed Violence
Gross GM, Ronzitti S, Combellick JL, Decker SE, Mattocks KM, Hoff RA, Haskell SG, Brandt CA, Goulet JL. Sex Differences in Military Sexual Trauma and Severe Self-Directed Violence. American Journal Of Preventive Medicine 2020, 58: 675-682. PMID: 32037020, DOI: 10.1016/j.amepre.2019.12.006.Peer-Reviewed Original ResearchConceptsMilitary sexual traumaSelf-directed violenceSexual traumaWomen veteransCox proportional hazards regression modelVeterans Health Administration (VHA) careProportional hazards regression modelsHazards regression modelsOperations Enduring Freedom/Iraqi Freedom/New Dawn veteransPsychiatric morbidityNew Dawn veteransSuicide attemptsBivariate analysisPreventative effortsTraumaWomenMenSex differencesVeteransRiskRegression modelsDemographic variablesSevere selfHospitalizationMorbiditySex Differences in Associations Between Depression and Posttraumatic Stress Disorder Symptoms and Tobacco Use Among Veterans of Recent Conflicts
Gross GM, Bastian LA, Smith NB, Harpaz-Rotem I, Hoff R. Sex Differences in Associations Between Depression and Posttraumatic Stress Disorder Symptoms and Tobacco Use Among Veterans of Recent Conflicts. Journal Of Women's Health 2020, 29: 677-685. PMID: 31934813, DOI: 10.1089/jwh.2019.8082.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderTobacco usePTSD symptomsFemale veteransSex differencesAssociation of depressionTobacco use cessationBaseline interview dataCross-sectional associationsMental health conditionsLogistic regression modelsPosttraumatic stress disorder (PTSD) symptomsBinary logistic regression modelSex-specific barriersTobacco usersSymptomsStress disorderAlcohol useHealth conditionsDepressionDisorder symptomsVeteran sampleMH conditionsIntervention strategiesEffects of demographics
2019
A Longitudinal Investigation of Military Sexual Trauma and Perinatal Depression
Gross GM, Kroll-Desrosiers A, Mattocks K. A Longitudinal Investigation of Military Sexual Trauma and Perinatal Depression. Journal Of Women's Health 2019, 29: 38-45. PMID: 31560602, DOI: 10.1089/jwh.2018.7628.Peer-Reviewed Original ResearchConceptsMilitary sexual traumaPerinatal mental healthPostnatal depressionSuicidal ideationPerinatal depressionPrenatal depressionWomen veteransEdinburgh Postnatal Depression ScalePostnatal Depression ScaleRisk of depressionVeterans Health AdministrationMental health careSexual traumaObstetrical carePostnatal symptomsDepression ScaleHigh riskPrenatal stressBivariate statistical testsHayes mediation modelHealth AdministrationImpact of MSTMental healthDepressionHealth careMeaning in life following deployment sexual trauma: Prediction of posttraumatic stress symptoms, depressive symptoms, and suicidal ideation
Gross GM, Laws H, Park CL, Hoff R, Hoffmire CA. Meaning in life following deployment sexual trauma: Prediction of posttraumatic stress symptoms, depressive symptoms, and suicidal ideation. Psychiatry Research 2019, 278: 78-85. PMID: 31158725, DOI: 10.1016/j.psychres.2019.05.037.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderSuicidal ideationDepressive symptomsPosttraumatic stress symptomsImportant clinical factorsBaseline interview dataCross-sectional associationsDeleterious mental health outcomesSexual traumaStress symptomsMental health outcomesMental health consequencesClinical factorsHayes mediation modelHealth outcomesSymptomsHealth consequencesProtective factorsStress disorderPoints of interventionTraumaVeteran sampleSI severityCombat traumaDecreased sensePsychometric Properties of the Multidimensional Schizotypy Scale and Multidimensional Schizotypy Scale–Brief: Item and Scale Test–Retest Reliability and Concordance of Original and Brief Forms
Kemp K, Gross G, Kwapil T. Psychometric Properties of the Multidimensional Schizotypy Scale and Multidimensional Schizotypy Scale–Brief: Item and Scale Test–Retest Reliability and Concordance of Original and Brief Forms. Journal Of Personality Assessment 2019, 102: 508-515. PMID: 31012748, DOI: 10.1080/00223891.2019.1591425.Peer-Reviewed Original Research
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 associationSchizotypyTraitsOpenness
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 theoryWall/Object Punching: An Important but Under‐Recognized Form of Nonsuicidal Self‐Injury
Kimbrel N, Thomas S, Hicks T, Hertzberg M, Clancy C, Elbogen E, Meyer E, DeBeer B, Gross G, Silvia P, Morissette S, Gratz K, Calhoun P, Beckham J. Wall/Object Punching: An Important but Under‐Recognized Form of Nonsuicidal Self‐Injury. Suicide And Life-Threatening Behavior 2017, 48: 501-511. PMID: 28925016, PMCID: PMC6366325, DOI: 10.1111/sltb.12371.Peer-Reviewed Original ResearchDevelopment and psychometric properties of the Multidimensional Schizotypy Scale: A new measure for assessing positive, negative, and disorganized schizotypy
Kwapil T, Gross G, Silvia P, Raulin M, Barrantes-Vidal N. Development and psychometric properties of the Multidimensional Schizotypy Scale: A new measure for assessing positive, negative, and disorganized schizotypy. Schizophrenia Research 2017, 193: 209-217. PMID: 28735642, DOI: 10.1016/j.schres.2017.07.001.Peer-Reviewed Original ResearchFor Whom the Mind Wanders, and When, Varies Across Laboratory and Daily-Life Settings
Kane M, Gross G, Chun C, Smeekens B, Meier M, Silvia P, Kwapil T. For Whom the Mind Wanders, and When, Varies Across Laboratory and Daily-Life Settings. Psychological Science 2017, 28: 1271-1289. PMID: 28719760, PMCID: PMC5591044, DOI: 10.1177/0956797617706086.Peer-Reviewed Original ResearchConceptsPersonality factorsArtificial laboratory tasksExecutive control abilitiesExperience-sampling studyPeople's daily environmentsMind-wandering ratesAttention abilitiesDaily environmentMind wandersDaily life settingsLaboratory tasksMind wanderingMemory capacityPersonality traitsDaily lifeDifferent correlatesDifferent associationsSubjective judgmentMindThoughtCurrent thoughtsNeuroticismTaskJudgmentsFindings
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 patternsPositive and negative schizotypy are associated with prodromal and schizophrenia-spectrum symptoms
Barrantes-Vidal N, Gross G, Sheinbaum T, Mitjavila M, Ballespí S, Kwapil T. Positive and negative schizotypy are associated with prodromal and schizophrenia-spectrum symptoms. Schizophrenia Research 2013, 145: 50-55. PMID: 23402694, DOI: 10.1016/j.schres.2013.01.007.Peer-Reviewed Original ResearchConceptsSchizophrenia-spectrum personality disordersDevelopment of schizophreniaPositive schizotypy dimensionNegative symptom dimensionsPresent studySchizophrenia prodromeMood symptomsRelated disordersYoung adultsSchizoid symptomsSymptomsPersonality disorderSchizophrenia-spectrum symptomsSymptom dimensionsInterview measuresSpanish young adultsDisordersPrevious findingsThreshold statusQuestionnaire measuresCAARMSProdromeProdromalEtiologyFindings