PSYC 1000 Chapter Notes - Chapter 2.1-2.2: Random Assignment, Confounding, Hawthorne Effect

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Benjamin Giguere

Document Summary

Weight one kg is st. john"s also weighs one kg in victoria. Operational definitions: statements that describe the procedures (or operations) and specific measures that are used to record observations: could have been extremely influential when miller created the mozart effect . Validity: degree to which an instrument or procedure actually measures what it claims to measure: ex. A person with a brain injury may need several different tests to assess the damage: inter-rater reliability: observers must score or rate a behaviour or response, videotaping participants to see how they react, be generalisable. Population: group that researchers want to generalize about: it is hard to study a group of people this large. Sample: select group of population members: results can then be generalized to the whole population, sample groups should be chosen randomly and not from one group of people.