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Science of Psychology Chapter 1 Introduction and Research Methods



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The Science of Psychology Chapter 1 Introduction and Research Methods Module Objectives Why is Psychology a Science What is the scientific method How do researchers design a study Why should I believe what researchers say Let s Start with Some Critical Thinking Psychology requires the ability to think critically about different problems Consider the following scenarios and use your critical thinking skills A man is found hanging in an otherwise empty locked room with a puddle of water under his feet How did he do it Did you get it He stood on a block of ice until it melted which explains the puddle under his feet Try this one A policeman was walking past a house He heard someone cry Don t shoot me John Don t shoot There was one gunshot The policeman entered the house and saw a lawyer priest and an engineer gathered around a dead body The priest was immediately arrested How did the policeman know What DO you think The police officer knows that the Priest is John because the lawyer and the engineer were both WOMEN The Science of Psychology When Psychologists perform research they begin by asking questions The Science of Psychology Psychology is based on two premises of science 1 Empiricism Acquiring information through careful observation 2 Theory development Collecting interrelated ideas and observations Psychology as a Science Psychologists must engage in careful observation when studying behavior and mental processes What does that mean They must put aside personal feelings or biases They must gather information systematically They must be able to replicate their results Systematic observation is setting up our study so that we eliminate or reduce bias We must keep our minds open but not so open that our brain falls Oberg out 1995 Why can t scientists base their research off of casual everyday observations People watching Skepticism combines two opposing attitudes an openness to new ideas combined with a willingness to subject these claims to scrutiny Everyday



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