Intro to Psychology: Scientific Mindset, Historical Schools, and Key Figures
Empiricism, Scientific Mindset, and Core Attitudes
Storytelling approach to learning helps engagement; psychology introduced as a science through themes of empiricism.
Core attitudes of the scientific mindset:
Curiosity: asking questions, challenging personal assumptions, considering alternative viewpoints and biases.
Skepticism: requires examination of data and methods; questioning representativeness and validity of findings.
Humility: recognizing errors, updating beliefs in light of new data, openness to diverse perspectives.
Example to illustrate skepticism:
If an experiment samples only the front half of a class and yields all scores of 100, one should question whether this sample represents the broader student population in a psychology course at a given university (UMD mentioned). This highlights why representative sampling matters and how bias can mislead conclusions.
Humility illustrated with IQ and evolving theories: what we thought about IQ twenty years ago differs from current understanding; emphasize vulnerability to error and openness to new perspectives.
The roots of psychology as a science began in Europe/America with a predominantly white, male influence; today the field is expanding to include culture and diversity, changing interpretations and methods.
What is meant by critical thinking in psychology? It’s more than doubt; it’s deliberate analysis of assumptions, sources, biases, evidence, and conclusions.
Practical example of critical thinking with media and research sources:
Serena Williams and Ozempic controversy: evaluating sources, potential biases, affiliations (e.g., financial interests of partners or spouses) and the need to verify factual claims.
The guiding principle: what matters is not subjective belief but what data indicate.
Critical thinking helps move beyond intuitive or “common sense” beliefs to assess real-world problems.
When evaluating competing proposals, some conclusions may be counterintuitive and require data rather than gut feeling (e.g., crime prevention vs punishment strategies; trauma therapy approaches; political participation strategies).
Trauma recovery question framing:
Should therapy require reliving trauma or avoiding reminders? Answer seen as a mix of both, with emphasis on safety and individualized plans.
The idea of a one-size-fits-all approach is questioned; personalized plans are preferred.
The dopamine of social influence and public behavior: discussions about whether to emphasize low turnout or highlight a public figure’s participation to encourage voting.
Critical Thinking, Sources, and Biases
Critical thinking involves:
Examining assumptions, evaluating sources, identifying biases, assessing evidence, and judging conclusions.
Reiterated practical example: evaluating health-related claims and advertisements; considering who benefits from particular claims.
Importance of evaluating research design, sampling, and potential conflicts of interest when reading scientific papers.
Historical Timeline and Key Figures in Psychology
Wilhelm Wundt (the father of psychology as a science):
Established the first psychology laboratory in Germany, marking a formal start to experimental psychology.
William James: author of The Principles of Psychology (1890).
A foundational text; James is a central figure in early American psychology.
Mary Whiton Calkins: studied in the Harvard psychology program; completed requirements but did not receive a PhD because of gender; later became the first female president of the American Psychological Association (APA).
Margaret Floy Washburn: first woman to receive a PhD in psychology; research focused on animal behavior.
Visual timeline context:
Late 1800s: psychology as a budding science with foundational figures (Wundt, James, Calkins, Washburn).
1900s onward: rapid diversification of theoretical approaches (earlier schools of thought) as the field matures.
Schools of Thought in Psychology (Early to Mid 20th Century)
Freudian Psychoanalytic / Psychodynamic Psychology:
Father: Sigmund Freud.
Emphasizes the inner experience and the unconscious mind.
Childhood experiences shape later behavior and personality.
Focus on hidden drives, conflicts, and early developmental influences.
Behaviorism (1920s–1960s; prominent in the mid-20th century):
Founders/major figures: John B. Watson and B. F. Skinner.
Core idea: psychology should study observable behavior rather than internal experiences that cannot be measured directly.
Rationale: introspection is subjective and difficult to quantify; behavior can be measured objectively.
Argument for data-driven conclusions and experiments focused on stimulus-response relationships.
Humanistic Psychology (1960s):
Key figures: Carl Rogers and Abraham Maslow.
Emphasizes growth potential, positive view of human nature, and needs for love, acceptance, and environments that nurture personal development.
Maslow’s hierarchy of needs is a notable concept associated with this school.
Cognitive Psychology (1960s onward):
Focuses on the science of learning and mental processes such as thinking, memory, perception, and problem-solving.
Emphasizes conscious awareness and internal mental representations (cognitions).
Relationship between thoughts and feelings: Beck highlighted the connection that thoughts influence emotions and vice versa.
Foundation for Cognitive Behavioral Therapy (CBT) and later cognitive neuroscience.
Cognitive Behavioral Therapy (CBT) and Cognitive Neuroscience (developmental phase):
CBT integrates cognition and behavior to treat psychological issues by targeting dysfunctional thinking patterns.
Cognitive neuroscience links cognitive processes to brain structures, neurotransmitters, and hormonal influences; emphasizes how brain activity underpins mental processes.
Contemporary view (integrated approach):
Most psychologists value both observable behavior and inner experiences.
No single school dominates; many practitioners specialize in one area but acknowledge contributions from others.
Emphasis on a holistic understanding that incorporates behavior, cognition, emotion, and brain biology.
The Modern, Integrated Perspective and Real-World Relevance
The field now recognizes the value of multiple perspectives and their interconnections.
Researchers and practitioners consider how culture, diversity, and contextual factors shape mind and behavior.
Practical implications include:
Therapy approaches that blend cognitive, behavioral, and humanistic elements depending on the client.
Policy discussions informed by empirical evidence (e.g., crime prevention strategies, social behavior, voting behavior).
Emphasis on evidence-based practice and critical appraisal of research sources.
Course Logistics, Resources, and Next Steps
Book access and course materials:
There was an update needed for the syllabus; questions are welcome via email.
A lecture will be uploaded next week for review.
First assignment due date mentioned: September rac{7}{1} (interpreted as September 7) for book availability and preparation.
Achieve platform and purchasing:
Some materials may require access or purchase (Achieve platform mentioned).
Instructor will seek clarification from colleagues (e.g., another professor) to confirm access requirements.
General guidance for students:
Engage with the material using the story-based framing introduced at the start.
Prepare to discuss how different schools of thought explain behavior and how modern psychology integrates multiple perspectives.
Be ready to connect theoretical concepts to real-world examples and ethical considerations (bias, representation, and the importance of data over intuition).
Summary of Key Takeaways
The scientific mindset in psychology rests on curiosity, skepticism, and humility, guiding robust inquiry and ongoing revision of beliefs.
Critical thinking requires evaluating assumptions, sources, evidence, and potential biases to reach data-driven conclusions.
Psychology emerged as a science in the late 19th century and evolved through several dominant schools of thought, each contributing to a richer understanding of mind and behavior.
Contemporary psychology integrates behaviorism, psychoanalysis, humanism, cognitive science, and neuroscience, recognizing that observable actions and internal experiences both matter for understanding people.
Cultural and ethical considerations are central to modern psychology, influencing research questions, interpretations, and applications in therapy, education, and public policy.