Introduction to Psychology: Foundational Concepts and Methods

Introduction to Psychology

Psychology is the scientific study of behavior and mental processes. This section introduces the major schools of thought, foundational figures, and the scientific approach that underpins modern psychology.

Structuralism

Structuralism was one of the earliest schools of psychology, focusing on breaking down mental processes into their most basic components.

• Wilhelm Wundt & E.B. Titchener: Wundt is known as the founder of psychology and established the first psychology laboratory.

• Worked with E.B. Titchener to study the structure and parts of the mind.

• Used introspection—looking inward and describing one's own thoughts and feelings.

• Focused on systematic observation to understand consciousness scientifically.

Functionalism

Functionalism emphasized the purpose of mental processes and how behavior helps people adapt to their environment.

• William James: First American psychologist, focused on what the mind does and how behavior helps people adapt.

• Looked at the purpose of mental processes rather than their structure.

• Influenced by Darwin’s theory of natural selection—behaviors and thoughts exist because they help us survive and function.

Psychoanalysis

Psychoanalysis is a school of thought that emphasizes the influence of the unconscious mind on behavior.

• Sigmund Freud: Studied hysteria (physical symptoms with no medical cause) and neurosis (mental stress or anxiety).

• Believed many problems come from the unconscious mind.

• Accessed the unconscious through dream analysis.

• Focused on early childhood experiences and their effect on behavior.

Behaviouralism

Behaviouralism focuses on observable behavior and how it is shaped by the environment.

• John B. Watson: Believed the mind couldn’t be studied objectively.

• Focused on observable behavior and how to control it.

• Ideas used today in behavioral therapy and CBT (Cognitive Behavioral Therapy).

Operant Conditioning

Operant conditioning is a learning process through which the consequences of behavior affect the likelihood of that behavior being repeated.

• B.F. Skinner: Developed operant conditioning, showing that consequences drive future behavior.

Cognitivism

Cognitivism focuses on the mental processes involved in knowing, such as thinking, memory, and problem-solving.

• Jean Piaget & Ulric Neisser: Focused on mental processes behind thinking, memory, and problem-solving.

• Believed thoughts influence behavior, not just rewards or punishments.

• Emphasized how we interpret and understand the world around us.

How Do We Know What We Know?

Psychology relies on scientific methods to understand behavior and mental processes, rather than authority, reason, or observation alone.

• Authority

• Reason

• Observation

• Experience

Why We Can’t Always Trust Common Sense

Common sense can be misleading because our senses and beliefs are not always accurate.

• Naive Realism: The belief that what we see is exactly how things are ("seeing is believing").

• Our senses can be misleading (e.g., the Earth seems flat, but it is round; the sun appears to move around the Earth, but the Earth moves around the sun at 30 km/sec).

• Shows that common sense isn’t always accurate—we must rely on scientific observation and evidence.

Scientific Method

The scientific method is a process for understanding the world by collecting observations, forming explanations, and testing predictions.

1. Identify a question or problem of interest.

2. Formulate an explanation or hypothesis.

3. Conduct research to support or refute the explanation.

Scientific Theory

• Theory: A broad explanation for many findings in the natural world.

• Hypothesis: A testable prediction that can be observed and measured.

Falsifiability

A hypothesis must be specific enough to be proven false if wrong.

• Example: "All swans are black" can be disproved by finding one white swan.

• "Most swans are white, some are grey, some are other colours" is too vague to test.

Bias Awareness

Scientists must recognize and control their own biases to ensure objective results.

• Confirmation Bias: Tendency to look for evidence that supports our beliefs and ignore or distort evidence that goes against them. Example: Police focusing only on evidence that supports their first suspect.

• Belief Perseverance: Sticking to our original belief even when proven wrong. Also called the "don’t confuse me with facts" bias.

Psychological Pseudoscience

Pseudoscience refers to ideas or practices that sound scientific but are not based on real evidence or proper testing.

• Means fake or false science.

• Includes ideas or practices that sound scientific but aren’t based on real evidence or proper testing (e.g., horoscopes, palm reading).

Why We’re Drawn to Pseudoscience

• Patternicity: Our tendency to see patterns or connections in random things.

• Finding Comfort in our Beliefs: We make sense of chaos by finding comfort in our own beliefs.

• Terror Management Theory: We fear death because it’s unavoidable and unpredictable, so we turn to beliefs or worldviews that give us meaning, purpose, and a sense of control. Tested by increasing mortality salience (making people think about death) to see how it affects their beliefs.

The Antidote for Pseudoscience

1. Think scientifically: Question claims and look for real evidence.

2. Separate science from pseudoscience: Check if ideas are testable and based on data.

3. Avoid logical fallacies: Don’t be fooled by emotional or faulty reasoning.

Common Logical Fallacies

• Emotional reasoning fallacy: Using emotions instead of evidence. Example: "It feels wrong, so it must be false."

• Bandwagon fallacy: Believing something just because many others do. Example: "Everyone uses this diet, so it has to work."

• Not me fallacy: Thinking only others are biased. Example: "I’m objective — it’s everyone else who’s influenced."

Dangers of Pseudoscience

• Direct harm: Can cause physical or psychological harm. Example: Dangerous "healing" methods or untested drugs.

• Blocks critical thinking: Weakens our ability to question and evaluate real issues. Example: Believing myths about GMOs or stem cell research.

Critical Thinking

Critical thinking is a set of skills used to evaluate claims open-mindedly and carefully. It is a key part of the scientific method and requires awareness and overcoming biases.

• Thinking critically = thinking scientifically.

• Not automatic—requires awareness and overcoming biases.

Modern Psychology

Modern psychology is divided into several main types and branches, each focusing on different aspects of behavior and mental processes.

Two Main Types

• Experimental Psychology: Focuses on research and studying behavior and mental processes.

• Clinical Psychology: Focuses on treatment, assessment, and diagnosis of mental disorders (uses the scientist-practitioner model).

Branches of Psychology

• Neuropsychology: Brain and behavior.

• Child/Developmental Psychology: Growth and development.

• Industrial-Organizational (I-O) Psychology: Workplace behavior.

• Social/Personality Psychology: Interactions and traits.

• Forensic Psychology: Law and criminal justice.

How Psychology Affects Our Lives

• Basic Research: Studies how the mind works and builds general knowledge about behavior and mental processes.

• Applied Research: Uses psychological research to solve real-world problems and improve daily life (e.g., therapy, education, business).