2024
Measurement invariance of the Perceived Stress Scale across race, sex, and time, and differential impacts on cocaine use treatment outcomes
Schick M, Kiluk B, Nich C, LaPaglia D, Haeny A. Measurement invariance of the Perceived Stress Scale across race, sex, and time, and differential impacts on cocaine use treatment outcomes. Journal Of Substance Use And Addiction Treatment 2024, 166: 209493. PMID: 39151798, PMCID: PMC11392621, DOI: 10.1016/j.josat.2024.209493.Peer-Reviewed Original ResearchCocaine use disorderPerceived Stress ScaleTreatment retentionMeasurement invarianceTreatment outcomesSubstance use treatment outcomesStress ScalePredicting treatment retentionSelf-efficacyCoping self-efficacyTwo-factor modelInfluence treatment outcomeCocaine abuse/dependenceDSM-IVUse disorderCocaine useBetween-group differencesMetric invarianceScalar invarianceTwo-factorCocainePharmacological treatmentFactor analysisDifferential impactAbuse/dependence
2023
All Positive Constructs are Not Equal: Positive Affect, Happiness, and Life Satisfaction in Relation to Alcohol and Mental Health Outcomes
Schick M, Trinh C, Todi A, Spillane N. All Positive Constructs are Not Equal: Positive Affect, Happiness, and Life Satisfaction in Relation to Alcohol and Mental Health Outcomes. International Journal Of Applied Positive Psychology 2023, 8: 467-484. DOI: 10.1007/s41042-023-00103-8.Peer-Reviewed Original ResearchMental health outcomesPositive affectLife satisfactionOnline battery of self-report measuresBattery of self-report measuresAssociated with coping motivesAssociated with anxiety symptomsPositive constructsAssociated with depressive symptomsPositive psychological constructsSelf-report measuresHealth outcomesAssociated with alcoholConfirmatory factor analysisConformity motivesOnline batteryAnxiety symptomsFactor structureDepressive symptomsPsychological constructsSubjective happinessAlcohol useAffectFactor analysisUndergraduate students