02-ResearchMethods

02-ResearchMethods - Lecture Outline Characteristics of...

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Lecture Outline Characteristics of Good Psychological Research Experimental Research Descriptive Research Correlational Research Researching the Brain Descriptive Statistics
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Research Methods Can mental events influence physical health ?”
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Research Methods Can mental events influence physical health ?” Pennebaker study (1990) asked college students to write for 20 min on 3 consecutive days: » Emotional expression: “…your deepest thoughts” » Control group: “what have you done since waking this morning?”
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Research Methods Pennebaker measured visits to campus health center for subjects in both groups » Emotional expression subjects made fewer visits to the health center
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Research Methods Pennebaker measured visits to campus health center for subjects in both groups » Emotional expression subjects made fewer visits to the health center Can mental events influence physical health ?” Yes, emotional expression can improve health. ..
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Results of the Pennebaker Study
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Research Concepts Psychologists are interested in determining the causes of mental events and behaviors What is the impact (effect) of divorce on children?
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Research Concepts Psychologists are interested in determining the causes of mental events and behaviors What is the impact (effect) of divorce on children? Psychologists are interested in identifying psychological processes
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Issues in Theory:
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Issues in Theory: Systematic way of organizing observations
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Issues in Theory: Systematic way of organizing observations Hypotheses - proposed relations between variables (cause-effect relationships)
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Issues in Theory: Systematic way of organizing observations Hypotheses - proposed relations between variables (cause-effect relationships) Variable: Any phenomenon that can vary along some dimension
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Issues in Theory: Systematic way of organizing observations Hypotheses - proposed relations between variables (cause-effect relationships) Variable: Any phenomenon that can vary along some dimension Continuous : varies continuously (body weight)
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Issues in Theory: Systematic way of organizing observations Hypotheses - proposed relations between variables (cause-effect relationships) Variable: Any phenomenon that can vary along some dimension Continuous : varies continuously (body weight) Categorical : can take on fixed values (gender)
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Generalizability of Research
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Generalizability of Research take samples from limited portion of the entire population (sampling must be representative).
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take samples from limited portion of the entire population (sampling must be representative). Generalizability - can results be applied to
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02-ResearchMethods - Lecture Outline Characteristics of...

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