2009
Investigating the behavioral and self-report constructs of impulsivity domains using principal component analysis
Meda SA, Stevens MC, Potenza MN, Pittman B, Gueorguieva R, Andrews MM, Thomas AD, Muska C, Hylton JL, Pearlson GD. Investigating the behavioral and self-report constructs of impulsivity domains using principal component analysis. Behavioural Pharmacology 2009, 20: 390-399. PMID: 19724194, PMCID: PMC3268653, DOI: 10.1097/fbp.0b013e32833113a3.Peer-Reviewed Original ResearchConceptsSelf-report measuresImpulsivity domainsImpulsivity constructsSelf-reported impulsivityDistinct neural systemsAspects of impulsivitySelf-report constructsSelf-reported compulsivityMeasures of impulsivityReward/punishmentConstruct of impulsivitySupplementary goalCurrent cocaine usersTemporal discountingFive-factor solutionLaboratory tasksMaladaptive behaviorsDifferent domainsImpulsivityMultidimensional constructBehavioral activationNeural systemsHuman behaviorBehavioral studiesSupplemental analyses
2001
Connecticut Pictorial Learning Test: A Pictorial Version of the California Verbal Learning Test*
Stevens MC, Fein DA, Markus E. Connecticut Pictorial Learning Test: A Pictorial Version of the California Verbal Learning Test*. The Clinical Neuropsychologist 2001, 15: 95-108. PMID: 11778582, DOI: 10.1076/clin.15.1.95.1913.Peer-Reviewed Original ResearchConceptsCalifornia Verbal Learning TestVerbal Learning TestLearning TestPictorial stimuliVerbal stimuliPictorial versionSubsequent recall performanceClinical memory testsYoung adult sampleGood internal consistencyMemory researchRecall performanceMemory testNew stimuliPictorial TestSemantic organizationAdult samplesInformation processingConcurrent validityPsychometric propertiesInternal consistencyStimuliPsychometric evidencePictorial useSecond experiment
2000
Subgroups of Children With Autism by Cluster Analysis: A Longitudinal Examination
STEVENS M, FEIN D, DUNN M, ALLEN D, WATERHOUSE L, FEINSTEIN C, RAPIN I. Subgroups of Children With Autism by Cluster Analysis: A Longitudinal Examination. Journal Of The American Academy Of Child & Adolescent Psychiatry 2000, 39: 346-352. PMID: 10714055, DOI: 10.1097/00004583-200003000-00017.Peer-Reviewed Original ResearchConceptsPreschool ageSevere language impairmentSubgroup of childrenSchool-aged childrenNonverbal abilityCognitive functioningLanguage impairmentAutistic symptomsHigher IQLongitudinal examinationSocial abnormalitiesSame childrenDifferential outcomesSubgroup membershipBehavioral scoresFunctioningAutismChildrenIQCluster analysisHigh groupRelationshipImpairmentDifferent levelsLanguage