The term 'internal consistency'has been used extensively in classical psychometrics to refer
to the reliability of a scale based on the degree of within-scale item intercorrelation, as …

Covered are Kelly and Rogers, Freud, trait theories, biological and social bases of
personality, and environmental and genetic determinants of individual differences. Rather …

This paper examines some aspects of the psychometric adequacy of existing self‐report
depression measures, so that clinicians might better appreciate their reliability and validity …

Theorizing about personality and intelligence structure initially was limited to prescientific
literary and philosophical “insights”(see Howard, 1993). Among these early psychological …

Individual Differences and Personality provides a student-friendly introduction to both classic
and cutting-edge research into personality, mood, motivation and intelligence, and their …

Abstract Izard's Differential Emotions Scale (DES) was administered to 204 University of
Delaware undergraduates under each of four imaginal mood-induction conditions (labelled …

Objective: The risk of injury or death due to motor vehicle crash is highest from ages 16 to
35. Crash rates are associated with driver's gender, age, inexperience, emotional states …

Data from both mothers and fathers from 319 families were used to investigate the internal
psychometric properties, convergent validity, and clinical research utility of the Family …

Early attempts to understand motivation were limited to literary and philosophical theories.
During the 19th and early 20th centuries, subjective speculation about human motive …

Background: Alcohol consumption and drink/driving are positively correlated and many
predictors of alcohol use also predict drink/driving. Past research has not fully distinguished …