2024
Do people know how suicidal they will be? Understanding suicidal prospection
Coppersmith D, Jaroszewski A, Gershman S, B. C, Millner A, Fortgang R, Kleiman E, Nock M. Do people know how suicidal they will be? Understanding suicidal prospection. Suicide And Life-Threatening Behavior 2024, 54: 750-761. PMID: 38700375, PMCID: PMC11305949, DOI: 10.1111/sltb.13087.Peer-Reviewed Original ResearchConceptsSuicidal thoughtsSuicidal thinkingKilling selfSeverity of suicidal thoughtsPsychological processesParticipants' predictionsReal-time monitoring studySuicideDay participantsThoughtsSelfParticipantsNext daySeverityPredicted levelsFitting modelFollow-up surveyThinkingPrediction errorAverage severityUrgeAdultsPeopleFollow-up period
2023
Examining Highly Novel Positive Future Thinking in Suicidal and Nonsuicidal Adolescents
Nam R, B. C. Examining Highly Novel Positive Future Thinking in Suicidal and Nonsuicidal Adolescents. Archives Of Suicide Research 2023, 28: 1200-1214. PMID: 39434628, PMCID: PMC11496765, DOI: 10.1080/13811118.2023.2282660.Peer-Reviewed Original ResearchConceptsPositive future thinkingSI severityFuture thinkingSuicidal ideationAssociated with greater suicide riskPositive future eventsNonsuicidal adolescentsFuture thoughtsSuicide riskBehavioral measuresDepressive symptomsPositive futureHeterogeneous constructFuture eventsClinical interventionsAdolescentsSeverityIdeationNonsuicideBaselineMeasure attainmentFollow-upSuicideThinkingAttainmentUsing Behavioral Measures to Assess Suicide Risk in the Psychiatric Emergency Department for Youth
Shin K, Baroni A, Gerson R, Bell K, Pollak O, Tezanos K, Spirito A, Cha C. Using Behavioral Measures to Assess Suicide Risk in the Psychiatric Emergency Department for Youth. Child Psychiatry & Human Development 2023, 55: 1475-1486. PMID: 36821015, DOI: 10.1007/s10578-023-01507-y.Peer-Reviewed Original ResearchConceptsImplicit Association TestMeasures of suicide riskSuicide stroop taskBehavioral measuresSuicide riskStroop taskSuicidal ideationSuicide attemptsAttempted suicideWithin-person effectsAssess suicide riskLevels of distressSuicide-related reasonsBehavioral tasksSuicidal thoughtsPsychiatric EDIncreased distressSelf-reportSuicide screeningAssociation TestSuicideComposite scoreDemographic covariatesIdeationYouth
2021
Examining Discrepant Reports of Adolescents’ Self-Injurious Thoughts and Behaviors: A Focus on Racial and Ethnic Minority Families
Bell K, Gratch I, Ebo T, Cha C. Examining Discrepant Reports of Adolescents’ Self-Injurious Thoughts and Behaviors: A Focus on Racial and Ethnic Minority Families. Archives Of Suicide Research 2021, 26: 1505-1519. PMID: 34019780, DOI: 10.1080/13811118.2021.1925607.Peer-Reviewed Original ResearchConceptsNonsuicidal self-injurySelf-injurious thoughtsParent-adolescent dyadsAdolescent self-reportSuicidal ideationHistory of suicidal ideationSelf-reportMulti-informant reportsAdolescent suicidal ideationParent-adolescent discrepanciesDyads of adolescentsSelf-harm tendenciesSelf-injurySuicidal gesturesSuicide attemptsSuicide planWhite dyadsAdolescent suicideAdolescent historyDiscrepancy reportsIdeationSuicideDemographic correlatesAdolescentsDyadsInconsistencies in Self-Reports of Suicidal Ideation and Attempts Across Assessment Methods
Deming C, Harris J, Castro-Ramirez F, Glenn J, Cha C, Millner A, Nock M. Inconsistencies in Self-Reports of Suicidal Ideation and Attempts Across Assessment Methods. Psychological Assessment 2021, 33: 218-229. PMID: 33705163, DOI: 10.1037/pas0000976.Peer-Reviewed Original ResearchConceptsSuicidal ideationSuicide attemptsSelf-reports of suicidal ideationReports of suicidal ideationFollow-up assessmentEndorsement ratesRandom respondingSelf-report surveySuicide researchSelf-reportScreening interviewParticipants' reportsMultiple itemsIdeationParticipantsItemsInconsistent reportingStudy conditionsAssessment methodsSI/SAIn-personSuicideIn-person interviewsHomogeneous groupAssessment
2019
Suicide risk around the world: a meta-analysis of longitudinal studies
Guzmán E, Cha C, Ribeiro J, Franklin J. Suicide risk around the world: a meta-analysis of longitudinal studies. Social Psychiatry And Psychiatric Epidemiology 2019, 54: 1459-1470. PMID: 31485691, DOI: 10.1007/s00127-019-01759-x.Peer-Reviewed Original ResearchConceptsStructural stigmaMeta-analysis of longitudinal studiesLongitudinal studyIncome levelPsychopathology-related variablesMeta-analysisRisk effect sizeRisk factorsMeta-regression findingsMiddle-income countriesHigh-income countriesCountry income levelIdentified risk factorsGeneralizability of findingsGlobal suicide deathsSuicide riskModify riskPrevention effortsLines of researchSTB riskSTB outcomesMeta-regressionSuicide deathsLongitudinal researchEffect sizeInvestigating the Psychometric Properties of the Suicide Stroop Task
Wilson K, Millner A, Auerbach R, Glenn C, Kearns J, Kirtley O, Najmi S, O’Connor R, Stewart J, B. C. Investigating the Psychometric Properties of the Suicide Stroop Task. Psychological Assessment 2019, 31: 1052-1061. PMID: 31070448, PMCID: PMC7011179, DOI: 10.1037/pas0000723.Peer-Reviewed Original ResearchConceptsSuicide stroop taskStroop taskBehavioral measuresPsychometric propertiesConcurrent validityInternal consistencyMental health researchLow internal consistencyInternal consistency coefficientSuicide attemptsSuicidal thoughtsStimulus typeNear chanceSuicideReliability findingsScoring approachInterference scoresConsistency coefficientTaskScoresNonattemptersPsychometricallyRTHealth researchFindings
2018
Testing Mood-Activated Psychological Markers for Suicidal Ideation
Cha C, O’Connor R, Kirtley O, Cleare S, Wetherall K, Eschle S, Tezanos K, Nock M. Testing Mood-Activated Psychological Markers for Suicidal Ideation. Journal Of Psychopathology And Clinical Science 2018, 127: 448-457. PMID: 29927267, DOI: 10.1037/abn0000358.Peer-Reviewed Original ResearchConceptsNegative mood inductionImplicit Association TestSuicidal ideationPsychological processesMood inductionDepressive symptomsSuicide stroop taskLikelihood of suicidal ideationBaseline suicidal ideationDifferential activation hypothesisFunction of moodPsychological risk factorsMeasuring psychological processesStroop taskIAT performanceTransient moodStroop scoresNegative moodSuicidal individualsImplicit identificationIdeationPsychological markersMoodActivation hypothesisAssociation Test
2017
Annual Research Review: Suicide among youth – epidemiology, (potential) etiology, and treatment
B. C, Franz P, Guzmán E, Glenn C, Kleiman E, Nock M. Annual Research Review: Suicide among youth – epidemiology, (potential) etiology, and treatment. Journal Of Child Psychology And Psychiatry 2017, 59: 460-482. PMID: 29090457, PMCID: PMC5867204, DOI: 10.1111/jcpp.12831.Peer-Reviewed Original ResearchConceptsSuicidal thoughtsImprove etiological understandingHigh-risk populationPrevention of suicidal thoughtsDiverse high-risk populationsPrevalence of suicidal thoughtsSelf-report measuresEtiological understandingTechnology-based interventionsPsychotherapeutic treatmentPsychological treatmentComplex clinical outcomesPreliminary evidenceSociodemographic populationsPsychological factorsSample characteristicsPrevention effortsPrevention strategiesEtiological mechanismsSuicideThoughtsRisk factorsYouthEpidemiologyClinical outcomesImplicit identification with death predicts change in suicide ideation during psychiatric treatment in adolescents
Glenn C, Kleiman E, Coppersmith D, Santee A, Esposito E, B. C, Nock M, Auerbach R. Implicit identification with death predicts change in suicide ideation during psychiatric treatment in adolescents. Journal Of Child Psychology And Psychiatry 2017, 58: 1319-1329. PMID: 28675456, PMCID: PMC5693711, DOI: 10.1111/jcpp.12769.Peer-Reviewed Original ResearchConceptsSuicidal ideationImplicit identificationPsychiatric treatmentSuicidal thoughtsDeath IATSuicide riskShort-term residential treatment programAssociated with recent suicidal ideationPredictors of suicide riskHistory of suicidal thoughtsSuicidal ideation severityResidential treatment programImplicit Association TestIdeation severityImplicit cognitionSuicidal thinkingSuicidal behaviorStimulus versionsIdeationTreatment programsAssociation TestSuicideStronger identificationAdolescentsIATCognitive Control Deficits Differentiate Adolescent Suicide Ideators From Attempters.
Stewart J, Glenn C, Esposito E, Cha C, Nock M, Auerbach R. Cognitive Control Deficits Differentiate Adolescent Suicide Ideators From Attempters. The Journal Of Clinical Psychiatry 2017, 78: e614-e621. PMID: 28199073, DOI: 10.4088/jcp.16m10647.Peer-Reviewed Original ResearchConceptsSuicide stroop taskSuicidal ideationSuicide attemptsCognitive controlEmotional stimuliContext of emotional stimuliSuicidal ideation to attemptsCorrelates of suicidal behaviorAdolescent suicidal ideationResidential treatment facilityAdolescent suicide riskEffect of groupStroop taskGeneral deficitSuicidal behaviorSuicide riskPositive wordsSuicide-relatedIdeationMental illnessSuicideStimuliDeficitsAdolescentsAnalysis of varianceTrajectories of Suicidal Ideation among Adolescents Following Psychiatric Hospitalization
Wolff J, Davis S, Liu R, Cha C, Cheek S, Nestor B, Frazier E, Schaffer M, Spirito A. Trajectories of Suicidal Ideation among Adolescents Following Psychiatric Hospitalization. Research On Child And Adolescent Psychopathology 2017, 46: 355-363. PMID: 28349306, PMCID: PMC5617752, DOI: 10.1007/s10802-017-0293-6.Peer-Reviewed Original ResearchConceptsChronic SISuicidal ideationEmotion dysregulationPsychiatric hospitalNon-acceptance of emotional responsesTrajectories of suicidal ideationGroup membershipPredictors of group membershipEmotion regulation strategiesTrajectories of SISI groupTrajectory group membershipSI trajectorySuicide riskPartial hospitalizationSuicide attemptsRegulation strategiesEmotional responsesMonths post-dischargeAdolescentsEmotionsBaseline predictorsIdeationIntensive servicesSuicideAccounting for Diversity in Suicide Research: Sampling and Sample Reporting Practices in the United States
Cha C, Tezanos K, Peros O, Ng M, Ribeiro J, Nock M, Franklin J. Accounting for Diversity in Suicide Research: Sampling and Sample Reporting Practices in the United States. Suicide And Life-Threatening Behavior 2017, 48: 131-139. PMID: 28276601, DOI: 10.1111/sltb.12344.Peer-Reviewed Original ResearchConceptsTransgender statusUnited States researchState researchVeteran statusYoung adult sampleReview longitudinal studiesParticipant raceMethodological practicesUnited StatesSuicide researchSuicidal thoughtsAdult samplesNon-HispanicIdentified many risk factorsPractice of samplingDiverse populationsReporting practicesSample characteristicsLongitudinal studyParticipant ageArticleParticipantsPracticeEthnicityRace
2016
Examining Potential Iatrogenic Effects of Viewing Suicide and Self-Injury Stimuli
B. C, Glenn J, Deming C, D’Angelo E, Hooley J, Teachman B, Nock M. Examining Potential Iatrogenic Effects of Viewing Suicide and Self-Injury Stimuli. Psychological Assessment 2016, 28: 1510-1515. PMID: 26821197, DOI: 10.1037/pas0000280.Peer-Reviewed Original ResearchConceptsImplicit Association TestSelf-injurySelf-Injury Implicit Association TestIAT studiesAdolescent psychiatric inpatientsSelf-injurious thoughtsFemale research participantsPsychiatric inpatientsSuicidal urgesBehavioral measuresMood declineNeurobiological studiesAssociation TestIatrogenic effectsHigh-stakes natureSuicideUndergraduate studentsClinical scienceWeb-based respondentsResearch participantsSITBsMoodStimuliInpatientsUrgeTesting the Efficacy of Attention Bias Modification for Suicidal Thoughts: Findings From Two Experiments
Cha C, Najmi S, Amir N, Matthews J, Deming C, Glenn J, Calixte R, Harris J, Nock M. Testing the Efficacy of Attention Bias Modification for Suicidal Thoughts: Findings From Two Experiments. Archives Of Suicide Research 2016, 21: 33-51. PMID: 26984769, DOI: 10.1080/13811118.2016.1162241.Peer-Reviewed Original ResearchConceptsAttentional bias modificationAttentional biasSuicidal ideationBias modificationEfficacy of attentional bias modificationSessions of attention bias modificationTargeting attentional biasesProbe discrimination taskPost hoc findingsSuicidal inpatientsComputer-based interventionsSuicide riskDiscrimination taskSuicidal thoughtsIdeationSuicidePost-hocStroopControl versionBiasInterventionInpatientsFindingsSessionsTask
2015
Implicit cognition about self‐injury predicts actual self‐injurious behavior: results from a longitudinal study of adolescents
Glenn C, Kleiman E, Cha C, Nock M, Prinstein M. Implicit cognition about self‐injury predicts actual self‐injurious behavior: results from a longitudinal study of adolescents. Journal Of Child Psychology And Psychiatry 2015, 57: 805-813. PMID: 26684880, PMCID: PMC5985446, DOI: 10.1111/jcpp.12500.Peer-Reviewed Original ResearchConceptsNonsuicidal self-injurySelf-injuryFrequent nonsuicidal self‐injuryNonsuicidal self-injury frequencyNonsuicidal self-injurious behaviorSelf-injurious behaviorSample of middle school studentsState-related changesMiddle school studentsImplicit cognitionImplicit associationsReciprocal associationsSelf-identificationLongitudinal examinationLongitudinal studyAdolescentsSchool studentsAdolescents' backgroundImplicitCognitionBehaviorAssociationEngagementIndividualsResearchUsing Implicit and Explicit Measures to Predict Nonsuicidal Self-Injury Among Adolescent Inpatients
Cha C, Augenstein T, Frost K, Gallagher K, D’Angelo E, Nock M. Using Implicit and Explicit Measures to Predict Nonsuicidal Self-Injury Among Adolescent Inpatients. Journal Of The American Academy Of Child & Adolescent Psychiatry 2015, 55: 62-68. PMID: 26703911, DOI: 10.1016/j.jaac.2015.10.008.Peer-Reviewed Original ResearchConceptsNonsuicidal self-injuryNSSI historySI-IATExplicit measuresAdolescent inpatientsSelf-injuryImplicit measuresAdolescent nonsuicidal self-injuryNSSI methodsAdolescent psychiatric inpatientsExplicit self-reportProspective risk factorsPsychiatric inpatientsSelf-injureOutcome-specificSelf-reportInpatientsExploratory analysisInpatient hospitalizationHospital stayShort-term predictorAdolescentsMultiple time pointsImplicitScores
2014
Adolescent nonsuicidal self-injury: Examining the role of child abuse, comorbidity, and disinhibition
Auerbach R, Kim J, Chango J, Spiro W, Cha C, Gold J, Esterman M, Nock M. Adolescent nonsuicidal self-injury: Examining the role of child abuse, comorbidity, and disinhibition. Psychiatry Research 2014, 220: 579-584. PMID: 25095754, PMCID: PMC4252370, DOI: 10.1016/j.psychres.2014.07.027.Peer-Reviewed Original ResearchConceptsNonsuicidal self-injuryCorrelates of nonsuicidal self-injuryComputerized continuous performance taskPatterns of nonsuicidal self‐injuryChild abuseConsistent with study hypothesesStructured Clinical InterviewContinuous performance taskSelf-report questionnairesAssociated with comorbiditySelf-injuryPsychiatric comorbidityClinical interviewChildhood abuseMental disordersPerformance tasksPrevalence of child abuseDisinhibitionAbuseComorbidityStudy hypothesesParticipantsChildrenPotential importanceResidential units
2011
Evidence for an emotion–cognition interaction in the statistical prediction of suicide attempts
Dour H, Cha C, Nock M. Evidence for an emotion–cognition interaction in the statistical prediction of suicide attempts. Behaviour Research And Therapy 2011, 49: 294-298. PMID: 21353203, DOI: 10.1016/j.brat.2011.01.010.Peer-Reviewed Original ResearchConceptsEmotion-cognition interactionsSuicidal behaviorSuicide attemptsProblem-solving skillsEmotional reactivityTheoretical models of suicidePrediction of suicideModel of suicideYoung adultsNext generation of studiesGeneration of studiesSuicideBivariate associationsAdolescentsSkillsRisk factorsAdultsStatistical predictionIndividual risk factorsBehaviorEmotionsYouthAttemptStudyReactivity
2010
Attentional Bias Toward Suicide-Related Stimuli Predicts Suicidal Behavior
Cha C, Najmi S, Park J, Finn C, Nock M. Attentional Bias Toward Suicide-Related Stimuli Predicts Suicidal Behavior. Journal Of Psychopathology And Clinical Science 2010, 119: 616-622. PMID: 20677851, PMCID: PMC2994414, DOI: 10.1037/a0019710.Peer-Reviewed Original ResearchConceptsAttentional biasSuicide-related outcomesSuicidal behaviorSuicide attemptsModified emotional Stroop taskEmotional Stroop taskMeasure attentional biasPredicting suicidal behaviorPsychiatric emergency departmentClinical workValenced wordsNeutral wordsStroop taskSuicide riskSuicidal thoughtsBehavioral markersSuicideStimuliWordsClinical predictorsBiasBehaviorPeopleObserved effectsTask