2. Psychological Research - Psychological Research What do...

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Psychological Research
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What do you believe? Theory: A systematic way of organizing and understanding observations Hypothesis: A proposed relationship between two variables
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Variable: anything which can be measured or described along a particular dimension Continuous Variable: a variable that can be measured across a continuum (weight, hours slept, etc) Categorical Variable: a variable with a fixed meaning or attribute (having a health ailment, etc)
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Operationalize Definitions: label and describe the variables of interest What is aggression? How will it be measured?
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Research Methods in Five Easy Steps Develop a theory based on observations Develop a hypothesis from the theory Design a research study Gather the data Analyze the data and report findings
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Measurement Issues in Research Validity: does it measure what it is supposed to measure? Reliability: do you get consistent results over time?
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Data Collection Techniques Direct Observation Questionnaires Interviews Psychological Tests Physiological Recordings Examination of Historical Records
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Various Types of Psychological Research
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Experimental Method Systematic Observation Explores
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