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Introduction to Psychology: Key Concepts and Historical Perspectives

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  • Definition of Psychology

    the scientific study of the mind and behavior, exploring human cognition and actions through empirical evidence

  • Origins of the term Psychology

    The term comes from Greek: psyche meaning mind or soul, and logos meaning study, signifying the study of the soul.

  • Four main goals of psychology

    To understand thoughts, motivations, and emotions; explore brain and nervous system functions; identify behavior patterns; and examine stability and change across the lifespan.

  • Wilhelm Wundt's contribution to psychology

    Founded the first psychology lab in 1879, focused on immediate conscious experience, and established psychology as a scientific discipline.

  • Structuralism in psychology

    Early school of thought aiming to analyze the basic elements of consciousness using introspection, pioneered by Wundt and Titchener.

  • Introspection method

    A technique where participants report their immediate sensory experiences to study conscious thought, though limited by subjectivity.

  • Gestalt psychology principle

    Humans perceive whole patterns rather than isolated parts; the whole is greater than the sum of its parts.

  • Max Wertheimer's contribution

    Studied motion perception and developed Principles of Perceptual Organization, showing how frame rates affect visual experience.

  • Behaviorism focus

    Emphasizes the study of observable behavior and the stimulus-response relationship, rejecting introspection.

  • Classical conditioning (Pavlov)

    Learning process where a neutral stimulus becomes associated with an unconditioned stimulus to elicit a conditioned response.

  • Operant conditioning (Skinner)

    Behavior modification through reinforcement or punishment, emphasizing active behavior selection based on consequences.

  • Developmental psychology focus

    Studies psychological changes and stability across the lifespan, recognizing unique cognitive processes at different ages.

  • Jean Piaget's theory

    Explains children's cognitive development by studying their reasoning processes and thinking patterns at different ages.

  • Social psychology central inquiry

    How social environments influence individual thoughts, behaviors, attitudes, and stereotypes.

  • Kurt Lewin's research

    Focused on leadership, communication, and social change, founding the Research Center for Group Dynamics.

  • Cognitive psychology emergence

    Focuses on mental processes like perception, memory, language, and problem-solving, marking the cognitive revolution.

  • George A. Miller's memory research

    Found that short-term memory capacity is about seven items, plus or minus two.

  • Noam Chomsky's critique

    Challenged behaviorist views on language acquisition, emphasizing innate cognitive structures.

  • Evolutionary psychology focus

    Studies how natural selection shaped psychological traits and behaviors for survival and reproduction.

  • Biological preparedness (John Garcia)

    Brains are wired to associate certain stimuli more easily, like taste with nausea, aiding survival.

  • Cultural psychology central question

    How culture shapes human behavior and mental processes, emphasizing the importance of cultural context.

  • John Berry's ecological framework

    Examines relationships between ecology, culture, cognition, and behavior, including acculturation processes.

  • Scientific method in psychology

    Begins with a theory, followed by hypothesis formulation, data collection, analysis, and peer-reviewed publication.

  • Longitudinal research design

    Studies the same individuals over time to observe development and establish temporal precedence.

  • Cross-sectional research design

    Compares different age groups at one point in time, providing a snapshot but not individual development.

  • Measures of central tendency

    Include mean, median, and mode, which summarize typical values in a dataset.

  • Mean vs. median with outliers

    The mean is sensitive to outliers, while the median is robust and better represents central tendency when outliers exist.

  • APA in-text citation formats

    Parenthetical citations include author and date in parentheses; narrative citations integrate them into the sentence.

  • APA end-of-text references

    Include authors' names, publication date, article title, journal name (italicized), volume, issue, pages, and DOI or URL.