Introspection: The examination of one's own conscious thoughts and feelings.
Structuralism: An early school of psychology that aimed to identify the structure of the mind by breaking it down into its component parts.
Functionalism: A school of psychology that focused on how mental and behavioral processes function and enable organisms to adapt, survive, and flourish.
Psychoanalytic theory: Sigmund Freud's theory that emphasizes the influence of the unconscious mind on behavior.
Behaviorism: A psychological perspective that focuses on observable behaviors and the ways they're learned.
Humanist perspective: A psychological approach that emphasizes individual choice and self-actualization.
Psychoanalytic perspective: A viewpoint that considers the influence of the unconscious mind on behavior.
Biopsychology (or neuroscience) perspective: A viewpoint that explains human thought and behavior strictly in terms of biological processes.
Evolutionary (or Darwinian) perspective: A perspective that explains psychological traits as adaptations that have evolved through natural selection.
Behavioral perspective: A viewpoint that examines the role of environmental stimuli and responses in shaping behavior.
Cognitive perspective: A psychological approach that studies mental processes including how people think, perceive, remember, and learn.
Social-Cultural (or sociocultural) perspective: A viewpoint that looks at how behavior and thinking vary across situations and cultures.
Wilhelm Wundt: Known as the father of modern psychology; established the first psychology laboratory.
William James: The first American psychologist and author of "The Principles of Psychology."
Mary Whiton Calkins: Pioneering woman in psychology; first female president of the American Psychological Association.
Margaret Floy Washburn: First woman to earn a Ph.D. in psychology.
G. Stanley Hall: Focused on child development; first president of the American Psychological Association.
Max Wertheimer: Co-founder of Gestalt psychology, emphasizing the whole experience over its parts.
Sigmund Freud: Father of psychoanalysis; developed theories of the unconscious mind.
John B. Watson: Established behaviorism and focused on observable behavior.
Ivan Pavlov: Known for his work in classical conditioning.
B. F. Skinner: A behaviorist who developed the theory of operant conditioning.
Abraham Maslow: Known for the hierarchy of needs and humanistic psychology.
Carl Rogers: Contributed to humanistic psychology, focusing on self-concept and unconditional positive regard.
Charles Darwin: His theory of evolution influenced the field of psychology.
Jean Piaget: Renowned for his work in cognitive development.
History of Psychology
Conceptual Framework
Psychology can be organized into various schools of thought or "waves" that represent prevailing theories at different times.
Wave One: Introspection
Historical Context: Evidence of introspection exists in early human history, including trephination practices to release evil spirits.
Wilhelm Wundt established the first psychological laboratory in 1879 in Leipzig, Germany, marking the birth of scientific psychology.
Introspection Method: Subjects recorded cognitive reactions to stimuli. Wundt's theory of Structuralism described the mind as a combination of subjective emotions and objective sensations.
William James published The Principles of Psychology in 1890, introducing Functionalism, which examined how mental processes function in real life.
Pioneers:
Mary Whiton Calkins: Innovator and first female APA president.
Margaret Floy Washburn: First woman to earn a Ph.D. in psychology.
G. Stanley Hall: Focused on child development.
Wave Two: Gestalt Psychology
Max Wertheimer led a movement that emphasized the totality of experience rather than its parts.
Gestalt Principle: The whole experience is greater than the sum of its parts (e.g., experiencing a painting as a cohesive work rather than as individual dots of color).
Therapeutic Application: Gestalt principles influenced therapy that considers context in client difficulties.
Wave Three: Psychoanalysis
Sigmund Freud introduced psychoanalytic theory, emphasizing the unconscious mind's role in behavior.
Unconscious Mind: Contains thoughts and feelings not available to conscious awareness, shaped by repression.
Therapeutic Techniques: Freud advocated for methods such as dream analysis and word association to access the unconscious.
Criticism: Freud's theories face skepticism because they lack scientific verification but still influenced arts and culture.
Wave Four: Behaviorism
John Watson criticized psychology’s focus on the unconscious, advocating for a focus on observable behavior.
Ivan Pavlov’s experiments demonstrated classical conditioning principles.
B. F. Skinner’s work added operant conditioning, focusing on reinforcement and punishment.
Dominance: Behaviorism prevailed from the 1920s to the 1960s in psychological research.
Wave Five: Multiple Perspectives
Contemporary psychology does not adhere to a singular perspective; psychologists adopt an eclectic approach, drawing from multiple schools of thought.
Emerging Fields: New perspectives may emerge as research evolves.
Psychological Perspectives
Humanist Perspective: Focuses on individual choice and free will, contrasting with deterministic views in behaviorism. Emphasizes personal growth (Maslow and Rogers).
Psychoanalytic Perspective: Emphasizes understanding behavior through unconscious motives and conflicts.
Biopsychology (Neuroscience) Perspective: Relates thoughts and behaviors to biological processes, including genetics and biochemistry.
Evolutionary Perspective: Analyzes behavior in the context of adaptive value and natural selection of traits (Darwin).
Behavioral Perspective: Investigates observable behavior as conditioned by interactions with the environment.
Cognitive Perspective: Studies mental processes involved in perception, thought, and memory, influenced by figures like Piaget.
Social-Cultural Perspective: Examines how cultural and social contexts shape thoughts and behaviors.
Biopsychosocial Perspective: Integrates biological, psychological, and social influences on behavior, emphasizing complexity over reductionism.
Research Methods in Psychology
Importance of Research
Psychology relies on research methodologies, distinguishing between applied research (practical applications) and basic research (theoretical understanding).
Hypotheses and Variables
Hypothesis: A statement predicting a relationship between variables (independent and dependent).
Variables: Characteristics that can vary, like stress levels or behavior types.
Validity and Reliability
Validity: Research accurately measures what it claims to measure.
Reliability: Results are consistent and replicable across studies.
Sampling and Participant Selection
Participants: Individuals chosen for study; Sampling ensures they represent the larger population.
Random Sampling: Each member of the population has an equal chance of being selected, enhancing generalizability.
Stratified Sampling: Ensures specific population characteristics are represented proportionately.
Experimental Method
Experiments: Can be laboratory or field-based; designed to test causal relationships.
Independent and Dependent Variables: Independent variable is manipulated; dependent variable is measured for changes.
Random Assignment: Participants are randomly assigned to groups, minimizing participant-relevant confounding variables.
Control Groups: Are used to establish baseline comparisons.
Placebo Effect: Psychological influences that must be controlled for.
Counterbalancing: Participants experience conditions in varied order to control for order effects.
Correlational Method
Correlation: Assesses the strength and direction of relationships between variables, with correlations ranging from -1 to +1.
Scatter Plots: Visual representation of relationships; the closer data points are to a line, the stronger the correlation.
Descriptive and Inferential Statistics
Descriptive Statistics: Summarizes data (e.g., mean, median, mode, variability).
Inferential Statistics: Tests hypotheses to draw conclusions about populations based on sample data, including significance testing (p-values).
APA Ethical Guidelines
Ethical treatment of participants in research is paramount, governed by institutional review boards (IRB). Key elements include:
No coercion: Participation must be voluntary.
Informed consent: Participants must understand their involvement.