PSYC 3250 Lecture Notes - Lecture 1: Trait Theory, Takers, Standardized Test
Consists of rules for assigning symbol to objects in order to: represent quantities of attributes numerically (scaling), or, define whether the objects fall in the same or different categories with respect to a given attribute (classification) In psychology, we are usually measuring some attribute of people (although may also be other animals) Measurement involves rules indicating how number will be assigned at attributes. Assessment of career interests, assessment of skills, assessment of social adjustment. Assessment of managerial potential, assessment of training needs, assessment of cognitive and psychomotor activity. Assessment of ability and academic progress, assessment of maturity and readiness for school, assessment of children with disabilities. Psychometric soundness: how consistently and how accurately a psychological test measures what it purports to measure. A psychological test is a measurement instrument that has 3 defining characteristics: a sample of behaviour, the sample is obtained under standardized conditions, there are established rules for scoring or for obtaining quantitative information from behaviour.