researchmethods - Psyc 001 Introduction to Psychology...

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1 Psyc 001 Introduction to Psychology Research Methods Psychology in the Media: How do you know what to believe? It is almost impossible to read a newspaper or watch TV news without being presented with new “psychological truths”. How can you judge the validity of these claims? Content: By knowing what psychological findings have been firmly established Research Methods: By knowing what kind of evidence is necessary to support a new discovery Content: What do you know about psychology? Facts About Psychology Quiz
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2 What Makes Psychological Research Scientific? Precision. Skepticism. Reliance on empirical evidence. Willingness to make risky predictions. Openness . Precision Theories organized systems of assumptions that purport to explain phenomena and their interrelationships. Hypotheses attempt to predict or account for a set of phenomena; specify relationships among variables; and, are empirically tested. Operational definitions define terms in hypotheses by specifying the operations for observing and measuring behavior.
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3 Skepticism Scientists do not accept ideas on faith or authority. Skepticism means treating conclusions, both old and new with caution. Reliance on Empirical Evidence A scientist relies on empirical evidence to determine whether a hypothesis is true. Willingness to make “risky predictions” Principle of Falsifiability . A scientific theory must make predictions specific enough to confirm and or disconfirm the theory; that is, the theory must predict not only what will happen, but also what will not happen .
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4 Openness Scientists must be willing to tell others where they got their ideas, how they tested them and what the results were. Peer review, publishing and replicating research gives science a built in system of checks and balances. Steps in Scientific Investigation Formulate Hypothesis Design the Study Collect Data Analyze the Data Draw Conclusions Report the Findings
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