August 30 Chapter 2 Research Methods

August 30 Chapter 2 Research Methods - August 30 Chapter 2...

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August 30 Chapter 2 Research Methods Empiricism : the idea that knowledge should be acquired through careful observation Theory : a collection of interrelated ideas and observations that together describe, explain, and predict behavior or mental processes. Three Principles of Scientific Endeavor 1. Objectivity : evaluating research and theory on their merits without preconceived ideas or personal bias 2. Systematic Observation : following a systematic plan for gathering data. 3. Replicability : confirmation of findings by repeated observations that yield similar conclusions The scientific method in psychology The Scientific Method : the technique used in psychology and other sciences to discover knowledge about human behavior and mental processes. 1. state the problem 2. develop a hypothesis 3. design a study 4. collect and analyze data 5. draw conclusions and report results Research Methods Experiment : a procedure in which a researcher systematically manipulates and observes elements of a situation in order to test a hypothesis and try to establish a cause-and-effect relationship Variable : A condition or a characteristic of a situation or a person that is subject to change or that differs either within or across situations or individuals. Independent variable
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This note was uploaded on 03/18/2008 for the course PSYC 2004 taught by Professor Dmharris during the Fall '06 term at Virginia Tech.

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August 30 Chapter 2 Research Methods - August 30 Chapter 2...

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