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  • Welcome to the CP Subject Centre
  • Faria Education Group
  • Core
    • Service Learning
    • Language Development
    • Reflective Project
    • Personal and Professional Skills
  • Career-related Study
  • Studies in language and literature
    • Language and Literature
      • Aims & Objectives
      • Syllabus
        • Area of Exploration - Readers, Writers and Texts
        • Area of Exploration - Time and Space
        • Area of Exploration - Intertextuality: Connecting Texts
        • Development of Linguistic Skills
        • Conceptual Understanding
        • Non-Literary Texts
      • Assessment
    • Literature
      • Aims and Objectives
      • Syllabus
        • Areas of Exploration
        • Development of Linguistic Skills
        • Conceptual Understanding
      • Assessment
    • Classical Languages (Last Assessment 2023)
      • Aims & Objectives
      • Syllabus
        • Part 1: Study of Language
        • Part 2: Study of Literature
        • Part 3: Individual study
      • Assessment
    • Classical Languages (First Assessment 2024)
    • Literature and Performance (First Assessment 2024)
  • Language acquisition
    • Language Ab Initio
      • Aims & Objectives
      • Syllabus
        • Identities
        • Experiences
        • Human Ingenuity
        • Social Organization
        • Sharing the Planet
        • Texts
      • Assessment
    • Language B
      • Aims & Objectives
      • Syllabus
        • Identities
        • Experiences
        • Human Ingenuitiy
        • Social Organization
        • Sharing the Planet
        • Texts
      • Assessment
  • Individuals and societies
    • Business Management (Last Assessment 2023)
      • Aims & Objectives
      • Syllabus
        • Unit 1: Business Organization and Environment
        • Unit 2: Human Resource Management
        • Unit 3: Finance and Accounts
        • Unit 4: Marketing
        • Unit 5: Operations Management
      • Assessment
    • Business Management (First Assessment 2024)
    • Digital Society
    • Economics
      • Aims & Objectives
      • Syllabus
        • Unit 1: Introduction to Economics
        • Unit 2: Microeconomics
          • Real-world issue 1
          • Real-world issue 2
        • Unit 3: Macroeconomics
          • Real-world issue 1
          • Real-world issue 2
        • Unit 4: The Global Economy
          • Real-world issue 1
          • Real-world issue 2
      • Assessment
    • Geography
      • Aims & Objectives
      • Syllabus
        • Part one: Geographic themes (SL and HL options)
          • Option A: Freshwater
          • Option B: Oceans and coastal margins
          • Option C: Extreme environments
          • Option D: Geophysical hazards
          • Option E: Leisure, tourism and sport
          • Option F: Food and health
          • Option G: Urban environments
        • Part two: Geographic perspectives - global change (SL and HL core)
          • Unit 1: Changing population
          • Unit 2: Global climate - vulnerability and resilience
          • Unit 3: Global resource consumption and security
        • Part two: Geographic perspectives - global change (HL core extension)
          • Unit 4: Power, places and networks
          • Unit 5: Human development and diversity
          • Unit 6: Global risks and resilience
      • Assessment
    • Global Politics
      • Aims & Objectives
      • Syllabus
        • Engagement Activity
        • Core
        • Additional Higher Level
      • Assessment
    • History
      • Aims & Objectives
      • Syllabus
        • Prescribed Subjects
        • World History Topics
        • HL Options: Depth Studies - History of Africa and the Middle East
        • HL Options: Depth Studies - History of the Americas
        • HL Options: Depth Studies - History of Asia and Oceania
        • HL Options: Depth Studies - History of Europe
      • Assessment
    • Information Technology in a Global Society
      • Aims & Objectives
      • Syllabus
        • Strand 1: Social and Ethical Significance
        • Strand 2: Application to Specific Scenarios
        • Strand 3: IT Systems
        • The Project (practical application of IT skills)
      • Assessment
    • Philosophy
      • Aims & Objectives
      • Syllabus
        • Prescribed Texts
        • Core
        • Additional Higher Level
        • Options
      • Assessment
    • Psychology
      • Aims & Objectives
      • Syllabus
        • Core
          • Biological approach to understanding behaviour
          • Cognitive approach to understanding behaviour
          • Sociocultural approach to understanding behaviour
          • Approaches to researching behaviour
        • Options
          • Abnormal psychology
          • Developmental psychology
          • Health psychology
          • Psychology of human relationships
      • Assessment
    • Social and Cultural Anthropology
      • Aims & Objectives
      • Syllabus
        • Part 1: Engaging with Anthropology
          • The language of anthropology
          • The practice of anthropology
          • Anthropological thinking
        • Part 2: Engaging with Ethnography
          • Group 1
          • Group 2
          • Group 3
        • Part 3: Engaging with Anthropological Practice
      • Assessment
    • World Religions
      • Aims & Objectives
      • Syllabus
        • Part 1: Introduction to World Religions
        • Part 2: In-depth Studies
        • Part 3: Internal Assessment
      • Assessment
  • Sciences
    • Biology (FA 2025)
    • Biology (LA 2024)
      • Aims & Objectives
      • Syllabus
        • Core
          • 1. Cell biology
          • 2. Molecular biology
          • 3. Genetics
          • 4. Ecology
          • 5. Evolution and biodiversity
          • 6. Human physiology
        • Additional Higher Level
          • 7. Nucleic acids
          • 8. Metabolism, cell respiration and photosynthesis
          • 9. Plant biology
          • 10. Genetics and evolution
          • 11. Animal physiology
        • Options
          • Option A: Neurobiology and behaviour
          • Option B: Biotechnology and bioinformatics
          • Option C: Ecology and conservation
          • Option D: Human physiology
      • Assessment
    • Chemistry (FA 2025)
    • Chemistry (LA 2024)
      • Aims & Objectives
      • Syllabus
        • Core
          • 1. Stoichiometric relationships
          • 2. Atomic structure
          • 3. Periodicity
          • 4. Chemical bonding and structure
          • 5. Energetics/thermochemistry
          • 6. Chemical kinetics
          • 7. Equilibrium
          • 8. Acids and bases
          • 9. Redox processes
          • 10. Organic chemistry
          • 11. Measurement and data processing
        • Additional Higher Level
          • 12. Atomic structure
          • 13. The periodic table - the transition metals
          • 14. Chemical bonding and structure
          • 15. Energetics/thermochemistry
          • 16. Chemical kinetics
          • 17. Equilibrium
          • 18. Acids and bases
          • 19. Redox processes
          • 20. Organic chemistry
          • 21. Measurement and analysis
        • Options
          • A. Materials
          • B. Biochemistry
          • C. Energy
          • D. Medicinal chemistry
      • Assessment
    • Computer Science (FA 2025)
    • Computer Science (LA 2024)
      • Aims & Objectives
      • Syllabus
        • Core
          • Topic 1 - System fundamentals
          • Topic 2 - Computer organization
          • Topic 3 - Networks
          • Topic 4 - Computational thinking, problem-solving and programming
        • Additional Higher Level
          • Topic 5 - Abstract data structures
          • Topic 6 - Resource management
          • Topic 7 - Control
        • Options
          • A - Databases
          • B - Modelling and simulation
          • C - Web science
          • D - Object-oriented programming
      • Assessment
    • Design Technology
      • Aims & Objectives
      • Syllabus
        • Core
          • 1. Human factors and ergonomics
          • 2. Resource management and sustainable production
          • 3. Modelling
          • 4. Final production
          • 5. Innovation and design
          • 6. Classic design
        • Additional Higher Level
          • 7. User-centred design (UCD)
          • 8. Sustainability
          • 9. Innovation and markets
          • 10. Commercial production
      • Assessment
    • Nature of Science
      • Aims & Objectives
      • Syllabus
        • Introduction
        • Part A - Concepts
        • Part B - The Quest for Understanding
        • Part C - The Impact of Science
        • Part D - Challenges and the Future
      • Assessment
    • Physics (FA 2025)
    • Physics (LA 2024)
      • Aims & Objectives
      • Syllabus
        • Core
          • 1. Measurements and uncertainties
          • 2. Mechanics
          • 3. Thermal physics
          • 4. Waves
          • 5. Electricity and magnetism
          • 6. Circular motion and gravitation
          • 7. Atomic, nuclear and particle physics
          • 8. Energy production
        • Additional Higher Level
          • 9. Wave phenomena
          • 10. Fields
          • 11. Electromagnetic induction
          • 12. Quantum and nuclear physics
        • Options
          • A. Relativity
          • B. Engineering physics
          • C. Imaging
          • D. Astrophysics
      • Assessment
    • Sports, Exercise and Health Science
      • Aims & Objectives
      • Syllabus
        • Core
          • Topic 1: Anatomy
          • Topic 2: Exercise physiology
          • Topic 3: Energy systems
          • Topic 4: Movement analysis
          • Topic 5: Skill in sports
          • Topic 6: Measurement and evaluation of human performance
        • Additional Higher Level
          • Topic 7: Further anatomy
          • Topic 8: The endocrine system
          • Topic 9: Fatigue
          • Topic 10: Friction and drag
          • Topic 11: Skill acquisition and analysis
          • Topic 12: Genetics and athletic performance
          • Topic 13: Exercise and immunity
        • Options
          • Option A: Optimizing physiological performance
          • Option B: Psychology of sports
          • Option C: Physical activity and health
          • Option D: Nutrition for sports, exercise and health
      • Assessment
  • Mathematics
    • Mathematics: analysis and approaches
      • Aims & Objectives
      • Syllabus
        • Topic 1: Numbers and Algebra
        • Topic 2: Functions
        • Topic 3: Geometry and Trigonometry
        • Topic 4: Statistics and Probability
        • Topic 5: Calculus
      • Assessment
    • Mathematics: applications and interpretation
      • Aims & Objectives
      • Syllabus
        • Topic 1: Number and Algebra
        • Topic 2: Functions
        • Topic 3: Geometry and Trigonometry
        • Topic 4: Statistics and Probability
        • Topic 5: Calculus
      • Assessment
  • The arts
    • Dance
      • Aims & Objectives
      • Syllabus
        • Composition and Analysis
        • World Dance Studies
        • Performance
      • Assessment
    • Film
      • Aims & Objectives
      • Syllabus
        • Reading Film
        • Contextualizing Film
        • Exploring Film Production Roles
        • Collaboratively Producing Film (HL only)
      • Assessment
    • Music
      • Aims & Objectives
      • Syllabus
        • Areas of Inquiry
        • Contexts
        • Musical Processes
        • Musical Roles
        • Exploring Music in Context
        • Experimenting with Music
        • Presenting Music
      • Assessment
    • Theatre (Last Assessment 2023)
      • Aims & Objectives
      • Syllabus
        • Theatre in Context
        • Theatre Processes
        • Presenting Theatre
      • Assessment
    • Theatre (First assessment 2024)
    • Visual Arts
      • Aims & Objectives
      • Syllabus
        • Visual Arts in Context
        • Visual Arts Methods
        • Communicating Visual Arts
        • The Visual Arts Journal
        • Art-making Forms
        • Research
      • Assessment
  • Interdisciplinary courses
    • Literature and Performance
      • Aims and Objectives
      • Syllabus
        • Part 1: Critical Study of Texts
        • Part 2: Exploration of the Chose Approach to the Text
        • Part 3: Realization of Texts in Performance
        • Prescribed Literature in Translation
      • Assessment
    • Environmental Systems & Societies
      • Aims & Objectives
      • Syllabus
        • Topic 1: Foundations of environmental systems and societies
        • Topic 2: Ecosystems and ecology
        • Topic 3: Biodiversity and conservation
        • Topic 4: Water and aquatic food production systems and societies
        • Topic 5: Soil systems and terrestrial food production systems and societies
        • Topic 6: Atmospheric systems and societies
        • Topic 7: Climate change and energy production
        • Topic 8: Human systems and resource use
      • Assessment
  • School-based syllabuses
    • Art History
      • Aims & Objectives
      • Syllabus
        • Topic 1: The Art and Architecture of Ancient Greece
        • Topic 2: Rome - Republic and Empire
        • Topic 3: The Middle Ages
        • Topic 4: Romanesque and Gothic Art and Architecture
        • Topic 5: The Art of the Renaissance
        • Topic 6: The Baroque Age - Art and the Architecture of 17th-century Europe
        • Topic 7: The 'Age of Reason' to 'Romanticism'
        • Topic 8: Experiments in the 19th- and 20th-century Art
      • Assessment
    • Astronomy
      • Aims & Objectives
      • Syllabus
        • Topic 1: The Stars
        • Topic 2: The Planets
        • Topic 3: Galaxies
        • Topic 4: Cosmology
      • Assessment
    • Brazilian Social Studies
      • Aims & Objectives
      • Syllabus
        • Topic 1: The Construction of Brazilian Geographical Space
        • Topic 2: Brazil in the Globalization Era - Core Topic
        • Topic 3: The Demographic and Urban Dynamics of Contemporary Brazil
        • Topic 4: Environment and Society
        • Topic 5: From Discovery to the End of the Colonial Era (1500-1822)
        • Topic 6: The Monarchical Experience (1822-1889)
        • Topic 7: Early Republican Brazil (1889-1945) - Core Topic
        • Topic 8: Contemporary Brazil (1945 - )
      • Assessment
    • Classical Greek and Roman Studies
      • Aims & Objectives
      • Syllabus
        • Part A - Two Topics from the Following Four Options
        • Part B - Two Topics from the Following Four Options
      • Assessment
    • Food Science and Technology
      • Aims & Objectives
      • Syllabus
        • 1. Nutrition
        • 2. Materials, Component and Their Application
        • 3. Food Quality and Safety
        • 4. Food Process Engineering
      • Assessment
    • Marine Science
      • Aims & Objectives
      • Syllabus
        • Core
          • Topic 1 Origin and Structure of Oceans
          • Topic 2 Dynamics of Earth's Crust
          • Topic 3 Patterns of Water Movement
          • Topic 4 Properties of Ocean Water
          • Topic 5 Life in Oceans
        • Options
          • A. Marine ecosystems and conservation
          • B. Atmosphere, ocean and climate
          • C. Geology of ocean basins
      • Assessment
    • Modern History of Kazakhstan
      • Aims & Objectives
      • Syllabus
        • Topic 1. Kazakhstan at the Beginning of the 20th Century
        • Topic 2. Kazakhstan During the Civil Confrontation (1917-1920)
        • Topic 3. The Formation of the Soviet Union and Kazakhstan (1920-1940)
        • Topic 4. The Great Patriotic War and Kazakhstan (1941-1945)
        • Topic 5. Kazakhstan and the Socialism (1946-1985)
        • Topic 6. Kazakhstan: from Perestroika to independence
      • Assessment
    • Political Thought
      • Aims & Objectives
      • Syllabus
        • Topic 1: Political Thinkers
        • Topic 2: Political Concepts
      • Assessment
    • Turkey in the 20th Century
      • Aims & Objectives
      • Syllabus
        • Turkey at the Beginning of the 20th Century
        • Topic 2: The Foundations of the Turkish Republic 1923-1945
        • Topic 3: The Global Changes Between the World Wars and Their Effect on Turkey 1918-1939
        • Topic 4: Turkey under pressure during World War II
        • Topic 5: Reconstruction, democracy and developments in the region 1945-1985
        • Topic 6: The Effects of Globalization and the Dialogue with Europe 1985-2000
      • Assessment
    • World Arts and Cultures
      • Aims & Objectives
      • Syllabus
        • Part 1: Prescribed Topics
        • Part 2: Intercultural Studies
        • Part 3: Regional Study
      • Assessment
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  1. Individuals and societies
  2. Psychology
  3. Syllabus
  4. Core

Approaches to researching behaviour

Approaches to researching behaviour

  • Qualitative

    • Qualitative research: Qualitative research is exploratory and used to gain an insight into psychological phenomena of interest. Further research into the topic may well include quantitative studies with more data.

    • Case studies: A case study is a detailed analysis over time of an area of interest (a case) to produce context-dependent knowledge. A case study could also be an in-depth study of an individual.

    • Naturalistic observations: These are observations of naturally occurring behaviour in a natural setting. Several different recording techniques can be used but field notes are an important part of the data. Observations may be participant or non-participant observations. The ethical implications of covert observations need to be justified.

    • Interviews: Qualitative interviews include unstructured, semi-structured and focus group interviews. These are used to gain an insight into people's thoughts, opinions and feelings from their own point of view. Qualitative interviews may be followed by surveys (a quantitative method) to collect data from a representative sample so that the findings can be generalized to a larger population. This could, for example, be a useful way to explore a psychological phenomenon in a case study.

  • Quantitative

    • Experiments: Experiments are designed with one clear Independent Variable and a Dependent Variable. All other factors that could affect the Dependent Variable are controlled as far as possible. The Independent Variable may be graduated, resulting in a range of conditions on a scale. Alternatively there may be only two conditions for the Independent Variable: one is the control, the other the test condition. This is a simple experiment.

    • Field experiments: The researcher manipulates the Independent Variable but conducts the experiment in a real-life environment. As a result extraneous variables cannot be controlled.

    • Quasi-experiments: In the above experiments participants are randomly assigned to a condition on the Independent Variable. In quasi-experiments participants are grouped based on a characteristic of interest, such as gender, ethnicity, or scores on a depression scale.

    • Natural experiments: In a natural experiment researchers find naturally occurring variables and study them.

    • Correlations research: This has a focus on two variables, however, these are not termed Independent and Dependent Variables as the hypothesis is not based on a potential cause and effect, instead they are referred to as co-variables.

  • Elements of researching behaviour

    • Research designs: Common designs include the following. Matched pair designs randomly assign one of a pair to either the control or the experimental group. Researchers may match individuals on specific characteristics, such as ethnicity or age. Twin studies are an example of a matched pair design. The independent samples/independent measures design uses two separate groups of participants. For example, one group of participants is assigned to the control group while the other group is assigned to the experimental or treatment condition. The repeated measures design exposes participants to each condition making up the Independent Variable.

    • Hypotheses: A hypothesis is a statement that is testable and falsifiable based on the results of an experiment or observation. The null hypothesis (Ho) is a statement that the treatment had no effect while the alternate hypothesis (H1) is a statement that the treatment will have an effect on the Dependent Variable. One of the hypotheses is rejected and the other accepted depending on the outcome of the investigation.

    • Independent and Dependent Variables: The Independent Variable is the factor that the experimenter manipulates. The Dependent Variable is the measurement generated by the manipulation of the Independent Variable.

    • Sampling technique: This involves selecting participants for a study. The following are common techniques. Random sampling is the process where every member in the target population has an equal chance of being selected. Convenience/opportunity sampling is the process of selecting people who are able to participate in the study at a given time. Volunteer sampling is when individuals choose to participate in the study.

    • Purposive sampling: Participants are chosen because they possess characteristics salient to the research study. Snowball sampling: participants who are already in a study help the researcher to recruit more participants through their social network.

    • Standardization/control: This refers to eliminating or controlling any factor that could affect the results of the study, apart from the Independent Variable. When and how this is carried out will depend on the method chosen to generate the information needed.

    • Ethical considerations: These are paramount in any investigation of any kind in psychology. Please see the 'Ethical guidelines' section of the subject guide and the teacher support material for more information on ethical considerations in psychology.

  • Analysing data

    • Data presentation: Raw data is the data collected from the investigation. This is then processed in a variety of ways and displayed so that possible trends in the results can be seen. Please also see the section 'Mathematical analysis in the internal assessment' in the teacher support material.

    • Inductive content analysis: This is used in qualitative research to determine the meaning or purpose of data as it appears in the transcript or field notes. The analysis of the transcript or field notes involves coding and categorizing data and organizing them into a hierarchy of themes.

    • Statistics: Descriptive statistics describe the spread and range of the data. Inferential statistics attempts to highlight relationships and trends in the data. Please see the section 'Mathematical analysis in the internal assessment' in the teacher support material.

  • Evaluating research

    • Reliability and validity: Reliability is the consistency of a study in terms of the extent to which a test or measure produces the same results in repeated trials. Validity is the degree to which the results accurately reflect what the research is measuring. There are two forms: External validity is the extent to which the results of a study can be generalized or transferred to another sample or context. Internal validity refers to the rigour of the study and the extent to which the researcher took alternative explanations into account.

    • Credibility: This term is used in qualitative research to indicate whether or not the findings of the study are congruent with the participants' perceptions and experiences.

    • Bias: Bias refers to factors that may affect the results of the study. The following are common biases. Researcher bias is when the researcher acts differently towards participants, which may influence or alter the participant's behaviour. In qualitative research, the researcher must assess personal biases in relation to the study (for example, topic, choice of participants and method) and should apply reflexivity to control for this. Participant bias, or demand characteristics, is when participants act according to how the researcher may want them to act, for example, due to the social desirability effect. Sampling bias occurs when the sample is not representative of the target population, whether the sample is based on selection criteria (qualitative research) or probability sampling (quantitative research).

  • Drawing conclusions

    • Correlation and causation: It is tempting to conclude that correlated data is an indication of causation. Although it may indeed be the case, it is good practice to approach a definitive conclusion with caution. Causality itself can take a variety of forms.

    • Replication: This is the degree to which the study can be repeated by the same or different researchers and achieve comparable results.

    • Generalization for quantitative research: This is based on probability sampling and the results are applicable to the whole target population.

    • Transferability for qualitative research: Findings from a study can be transferred to settings and/or populations outside the study only if the findings of a particular study are corroborated by findings of similar studies (for example, in multiple case studies).

    • Triangulation: Triangulation is an approach used to ensure enough evidence is available to make a valid claim about the results of a study. Methodological triangulation tests a theory or a psychological phenomenon using different methods of inquiry. Data from a variety of methods (survey, interview, case study, experiments) is used to help validate the results of a study.

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Last updated 2 years ago