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Psychology

Psychology. Scientific study of the behavior of individuals and their mental processes Scientific method-(set of steps) Behavior (adjustment to environment) Individual Mental process (human mind). Goals. Describe-data, observations, analysis. Goals. Explain-find patterns, why?

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Psychology

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  1. Psychology • Scientific study of the behavior of individuals and their mental processes • Scientific method-(set of steps) • Behavior (adjustment to environment) • Individual • Mental process (human mind)

  2. Goals • Describe-data, observations, analysis

  3. Goals • Explain-find patterns, why? • Orgasmic: inner determinants of an organism • Dispositional: in human or animal occurrences of organismic variables • Situational or environmental variables: external influence

  4. Goals • Predicting • Scientific vs. Causal • Scientific-relation of events • Casual-condition under change

  5. Goals • Control • starting, stopping, maintaining, strengthening, weakening a behavior

  6. History of Psychology • Socrates, Plato, Aristotle • mind controlled by person, not gods • Dualism (1600) • mind+body separate • Descartes-Mind controls body (1596-1650)

  7. William Wundt (1879) • 1st experimental Psy. Lab • Structuralism • Study of the structure of mind + behavior • All human mental experience can be understood as a combination of simple elements or events • Rejections to structuralism • Reductionism-over simplified • Elemental-did not look at whole • Mentalistic-only verbal human

  8. William James (1890) Functionalism -learned habits that enabled organism to adapt, function and survive in their environment

  9. John Dewey (1920’s) • Founded the school of functionalism

  10. Modern Psychological Approaches • Biological • Focus on genes, brain, nervous and endocrine systems to identify behaviors • Psychodynamic • Driven by powerful inner forces • Unconscious • Freud • Behaviorist • Measurable or observable behavior • Humanistic • People in inherently good, striving for maximum potential • Rogers, Maslow • Cognitive • Stresses human thought • Evolutionary • Mental abilities adapted over millions of years

  11. Psychology • Scientific study of the behavior of individuals and their mental processes • Scientific method-(set of steps) • Behavior (adjustment to environment) • Individual • Mental process (human mind)

  12. Scientific Method • Hypothesis • Test hypothesis • Organize and report on Data • Conclusion

  13. Bias • Due to personal motives, expectations

  14. Standardization • Uniform procedures in treating things in an experiment

  15. Variable • Factor that varies in amount or kind

  16. Independent vs. Dependent • Free to vary vs. acted upon (changes)

  17. Confounding Variable • Stimulus other than the variable an experimenter explicitly introduces

  18. Expectancy Effects • Experimenter manipulates the situation creating expected result.

  19. Placebo effect

  20. Control Procedures • Double blind • Keep both assistants + participant unaware • Between Subject designs • Random assignment

  21. Representative Sample • Cannot get everyone take small sample that represents population

  22. Within-subjects design • Use subject as their own control

  23. A-B-A Design • A-baseline • B-treatment • A-Return to Baseline

  24. Correlation Methods • Figure which 2 variables, traits, or attributes are related • correlation coefficient (r) • 1.0 to –1.0

  25. Reliability • Test produces similar scores each time

  26. Validity • Test measures what it is intended to measure

  27. Self Reported Measures • Observe and report one’s own behavior

  28. Behavioral Measures • Overt actions + reactions that are observed + recorded not self reported

  29. Case Study • Intensive study of one or a few

  30. Ethics • Risk vs. Brains • Informed consent • Intentional Deception • Animals

  31. Goals • Describe-data, observations, analysis

  32. Goals • Explain-find patterns, why? • Orgasmic: inner determinants of an organism • Dispositional: in human or animal occurrences of organismic variables • Situational or environmental variables: external influence

  33. Goals • Predicting • Scientific vs. Causal • Scientific-relation of events • Casual-condition under change

  34. Goals • Control • starting, stopping, maintaining, strengthening, weakening a behavior

  35. History of Psychology • Socrates, Plato, Aristotle • mind controlled by person, not gods • Dualism (1600) • mind+body separate • Descartes-Mind controls body (1596-1650)

  36. William Wundt (1879) • 1st experimental Psy. Lab • Structuralism • Study of the structure of mind + behavior • All human mental experience can be understood as a combination of simple elements or events • Rejections to structuralism • Reductionism-over simplified • Elemental-did not look at whole • Mentalistic-only verbal human

  37. William James (1890) Functionalism -learned habits that enabled organism to adapt, function and survive in their environment

  38. John Dewey (1920’s) • Founded the school of functionalism

  39. http://youtube.com/watch?v=FeFDnS1DjKM • History of Psychology

  40. Modern Psychological Approaches • Biological • Focus on genes, brain, nervous and endocrine systems to identify behaviors • Psychodynamic • Driven by powerful inner forces • Unconscious • Freud • Behaviorist • Measurable or observable behavior • Humanistic • People in inherently good, striving for maximum potential • Rogers, Maslow • Cognitive • Stresses human thought • Evolutionary • Mental abilities adapted over millions of years

  41. Scientific Method • Hypothesis • Test hypothesis • Organize and report on Data • Conclusion

  42. Bias • Due to personal motives, expectations

  43. Standardization • Uniform procedures in treating things in an experiment

  44. Variable • Factor that varies in amount or kind

  45. Independent vs. Dependent • Free to vary vs. acted upon (changes)

  46. Confounding Variable • Stimulus other than the variable an experimenter explicitly introduces

  47. Expectancy Effects • Experimenter manipulates the situation creating expected result.

  48. Placebo effect • No experimental manipulation

  49. Placebo Effect • http://youtube.com/watch?v=MzjoKhBklYg

  50. Control Procedures • Double blind • Keep both assistants + participant unaware • Between Subject designs • Random assignment

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