PSYCH101 Chapter Notes - Chapter 2.1: Hawthorne Effect, Demand Characteristics, Falsifiability

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Paul Wehr

Document Summary

What are the 5 characteristics of quality scientific research: based on measurements that are objective, valid, and reliable, can be generalized, uses techniques that reduce bias, made public, can be replicated. Operational definitions = statements that describe the procedures (or operations) and specific measures that are used to record observations. Reliability = characteristic of measure when it provides consistent and stable answers across multiple observations and points in time o. Test-retest reliability examines whether scores on a given measure of behaviour are consistent across test sections o. Alternate-forms reliability examines whether different forms of the same test produce the same results. Sample = a select group of population members o. Random sample sampling technique where every individual of a population has an equal chance of being included o. Convenience sample sample of individuals who are most readily available. Hawthorne effect = behaviour change that occurs as a result of being observed (ex.