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Research and Diversity

Research and Diversity. Why do research? Psychology is an empirical science which emphasizes or is based on observation & experiment. Absolutist Approach. A view in cross-cultural psychology that psychological phenomena are basically the same in all cultures. Relativist Approach.

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Research and Diversity

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  1. Research and Diversity • Why do research? • Psychology is an empirical science which emphasizes or is based on observation & experiment.

  2. Absolutist Approach • A view in cross-cultural psychology that psychological phenomena are basically the same in all cultures.

  3. Relativist Approach • A view in cross-cultural psychology that psychological phenomena should be studied only from “within” a culture where these phenomena occur.

  4. The Scientific Method • Theory • Hypothesis • Operational Definition • Principle of Falsifiability • Subjects • Selection Factor • Replication

  5. Theory • An organized system of assumptions and principles that purports to explain a specified set of phenomena and their interrelationships.

  6. Hypothesis • A statement that attempts to predict or to account for a set of phenomena; scientific hypotheses specify relationships among events or variables and are empirically tested.

  7. Operational Definition • A precise definition of a term in a hypothesis, which specifies the operations for observing and measuring the process or phenomenon being measured.

  8. Principle of Falsifiability • The principle that a scientific theory must make predictions that are specific enough to expose the theory to the possibility of disconfirmation; that is, the theory must predict not only what will happen, but also what will not happen.

  9. Participants Participants in a scientific study Replication The ability to repeat, reproduce or copy a study Selection Factor The bias source that may occur when subjects are allowed to determine for themselves whether or not they will receive a treatment condition in a scientific study. Other Concepts

  10. Sample a segment of the population Population refers to a complete group of organisms or events Infer is to draw a conclusion Generalization extend from the particular to the general Random Sample each member of a population has an equal chance of being selected to participate Stratified Samples identified subgroups in the population are represented proportionately in the sample Volunteer Bias people who offer to participate in research studies differ Samples & Populations: Representing Human Diversity

  11. The Case-Study Method The Survey Method The Testing Method The Naturalistic-Observation Method The Laboratory-Observation Method The Correlational Method The Experimental Method Methods of Observation

  12. The Case-Study Method A carefully drawn biography that may be obtained through interviews, questionnaires, and psychological tests

  13. The Survey Method A method of scientific investigation in which a large sample of people is questioned about their attitudes or behavior

  14. Direct Surveys • Interviewer maintains or can maintain a direct communication with the respondent and is able to provide feedback, repeat a question, or ask for additional information

  15. Indirect Surveys • Researcher’s personal impact is very small because there is no direct communication between the respondent and the interviewer. The questions are typically written and handed in, mailed, or sent electronically to the respondents’ homes, classrooms, or work places.

  16. Focus Group Methodology • A survey method used in academic & marketing research. The most common usage is one where a group responds to specific social, political, or marketing messages. The typical focus group contains 7 – 10 members who are experts, potential buyers, viewers or other customers.

  17. The Testing Method • Psychologists use psychological tests like intelligence, aptitude, and personality, to measure various traits and characteristics among a population

  18. Testing • Standardize: To develop uniform procedures for giving and scoring a test. • Norms: Established standards of performance. • Reliability: Consistency of scores derived from a test. • Validity: The ability of a test to measure what it was designed to measure.

  19. Naturalistic- ObservationA scientific method in which organisms are observed in their natural environments Laboratory-Observation A method where a place is found in which theories, techniques, and methods are tested and demonstrated Observations

  20. The Correlational Method • A scientific method that studies the relationships between variables • Correlation coefficient is a number between +1.00 to -1.00 that expresses the strength and direction of the relationship between two variables

  21. Types of Correlations • Positive correlation: Increases in one variable are associated with increases in the other; decreases are likewise associated • Negative correlation: Increases in one variable are associated with decreases in the other

  22. The Experiment: Hunting for Causes • Experimental Variables • Experimental and Control Conditions • Experimenter Effects • Advantages and Limitations of Experiments

  23. Experimental Variables • Independent Variable: A variable that an experimenter manipulates. • Dependent Variable: A variable than an experimenter predicts will be affected by manipulations of the independent variable.

  24. Treatment refers to a condition received by participants so that its effects may be observed Experimental subjects receive the treatment Control subjects do not receive the experimental treatment but for whom all other conditions are comparable to those of experimental subjects Experimental Method

  25. Placebo refers to a bogus treatment that has the appearance of being genuine Blind refers to unawareness as to whether or not one has received a treatment Double-blind refers to a study where neither the subjects nor the persons measuring results know who has received the treatment Experimental Method Cont.

  26. Advantages and Limitations of Experiments • Experiments allow conclusions about cause-effect relationships. • Participants in experiments are not always representative of larger population. • Much psychology research is carried out using colleges students as participants. • Field Research: Descriptive or experimental research conducted in a natural setting outside the laboratory.

  27. Different Research Methods • Cross-Sectional Study:Subjects of different ages are compared at a given time. • Longitudinal Study:Subjects are followed • and periodically reassessed over a • period of time.

  28. Analyzing • Meta-Analysis= quantitative analysis of a large collection of scientific research in an attempt to make sense of a diverse of selection of data. • t-test= the procedure aiming to estimate to whether the difference between two samples occurred by chance.

  29. From the Laboratory to the Real World • Choosing the Best Explanation • Sometimes there are competing explanations for the same events • Judging the Result’s Importance • Statistical significance does not prove that a result is important, only that it is reliable • Meta-analysis combines and analyzes data from many studies

  30. Considerations in Cross-cultural Research • Content analysis= A research method that systematically organizes and summarizes both the manifest and latent content of communication • Comparativist strategies = An attempt to find similarities and differences in certain statistical measures in a sample of cultures.

  31. Application-oriented strategy= an attempt to establish the applicability of research findings obtained in one country or culture to other countries or cultures. • Psychobiographical research= a longitudinal analysis of particular individuals usually outstanding persons, celebrities, and leaders of different countries or cultures.

  32. Unique Problems in Cross-Cultural Research • Obtaining a representative sample • Measurement leading to imposed etic (Berry, 1969) • Equivalence in behavioral definition & research instruments (Lonner, 1979)

  33. Factors Influencing Representative Samples • Subject availability • Willingness to participate • Geographic Isolation • Unavailability

  34. Measurement • The behavioral definition and measurement techniques of the researcher’s home culture may not transfer easily to another culture thereby leading to an imposed etic (Berry, 1969)

  35. Measure of Central Tendency • The measure that indicates the location of a score distribution on a variable, that is, describes where most of the distribution is located.

  36. Mean= mathematical central point of a distribution of scores • Median= score in a distribution on the 50th percentile • Mode= the most frequently occurring score in the distribution

  37. Equivalence • Functional Equivalence– whether behavioral phenomenon serves the same purpose or intent • Conceptual Equivalence– meanings associated with similar stimulus across different cultures • Metric Equivalence– assumes numeric scales measure a concept equally (Problem e.g., I.Q.)

  38. Linguistic/Translation Equivalence • Researcher’s understanding of subject’s response & their understanding of researcher’s questions • Culturally idiographic terms– words or terms unique to the culture • Culturally isomorphic terms– words or terms in both cultures with different meanings • E.g., out-of-sight, out-of-mind; view/intellect

  39. Possible Solutions • Use back translation E.g., Paul’s Social Skills Scale • Use an emic approach with observation and collaboration from members of the other group E.g., AIDS education S.E. Asian New Year Festival

  40. Advantages of Cross-Cultural Research • Determine whether a variable is etic or emic • Opportunities to assess the relative contribution of culture to behavior • Increased range of concepts being studied • Opportunity to unconfound variables where they don’t occur together in different cultures e.g., Oedipal Complex in Trobriand Islands (Malinowski, 1927) • Increased sensitivity to context • Contribute to the understanding of potential cognitive differences between cultures e.g., language & thought

  41. Indigenous Approach to Research • An emic approach whose starting points are concerns within a culture • If the understanding of the emic analysis is appropriate, it may be compared to other cultures

  42. Starting Points for Indigenous Research • Researchers living in other countries note what is interesting or striking • Researchers ask colleagues from other cultures to note what is interesting or striking about the researcher’s culture • Note what current explanatory frameworks miss or what behaviors are de-emphasized in journals already • Consider behavior concepts and practices all cultures must deal with e.g., production & care of children

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