PSYC 3250 Lecture 1: PSYCH 3250 - lecture1

• School: University of Guelph
• Department: Psychology
• Course: PSYC 3250
• Professor: David Stanley

Document Summary

What is psychological measurement: measure people"s characteristics such as personality and iq. Hard to assign a number to these criteria. Measurement consists of rules for assigning symbols to objects in order too: represent quantities of attributes of people. Measurement involves rules indicating how numbers will be assigned to attributes. Industrial/organizational: managerial potential, training needs, cognitive and psychomotor activity. School psychology: ability and academic progress, maturity and readiness in school, children with disabilities. Psychometric soundness psychological test measures what it purports to measure. How consistently -> later refer to this as reliability (later on) and how accurately a. Ex: do not measure iq with a bathroom. Definition: psychological test is a measurement instrument that has three defining characteristics: 1. a psychological test is a sample of behavior. 3. there are established rules for scoring or for obtaining quantitative (numeric) information from behavior sampling. A sample of behavior something (ex: driving test or filling bubbles in a scan-tron)