Validity In Psychometrics Pdfkeyclever


Psychometrics, Measurement Validity & Data Collection. Psychometrics & Measurement Validity – Measurement & Constructs – Kinds of items and their combinations – Properties of a “good measure. Data Collection – Observational - Self-report - Trace Data Collection – Primary vs. Archival Data – Data Collection Settings. The Central Position of Validity in Decision Making on the Use of Psychometrics. To make appropriate judgements on the use of an assessment for selection we need to understand: How the traits we are measuring relate to job success (n.b. Empirical validity) How the specific product we are using assesses the trait (n.b. Construct Validity).

Cronbach's Alpha - (alpha coefficient) estimate of internal consistency reliability (Salkind, 2010)

Concurrent Validity -

Comorbidity- symptom overlap

Validity Test Psychology

Content Validity

DSM-V - Diagnostic and Statistical Manual of Mental Disorders is in its fifth edition: A diagnostic classification system for mental disorders

Diagnostic Criteria/Criterion:
“The diagnostic criteria identify symptoms, behaviors, cognitive functions, personality traits, physical signs, syndrome combinations, and durations that require clinical expertise to differentiate from normal life variation and transient responses to stress.” (DSM-5, 2013, Introduction para. 4)

Discriminant Validity


ICD-11 - International Classification of Diseases (Eleventh edition): international system of medical illness “sponsored by the World Health Organization (WHO)” that includes mental health diagnoses; cross references the DSM-V

Kappa Reliability Estimates: “. . .a statistical measure that assesses level of agreement between raters that corrects for chance agreement due to prevalence rates (DSM-5, 2013, Introduction para. 12)

Predictive Validity

Psychometrics- 'is a branch of scientific psychology that is concerned with the theory and technique of psychological and educational constructs...' (Frey, 2018)

Validity In Psychometrics Pdfkeyclever

National Institute of Mental Health’s Research Domain Criteria (NIMH) (RDoC) - a third classification system for diagnosing mental disorders

Nosology/Psychiatric Nosology - “. . .refers to the science of diagnosis (Paris, 2013, p. 6).



Validity In Psychometrics Pdfkeyclever

Valid Diagnosis: In the Introduction to the DSM-V, it states that a “fully validated” diagnosis. . .”is to provide consistent, strong, and objective scientific validators of individual DSM disorders” (DSM-5, 2013, Introduction, para. 3).

Validity In Psychometrics


Valid Measure: