Psychological Theories and Methods

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Freud

Founder of psychoanalysis; focused on unconscious mind and childhood experiences.

Watson

Founder of behaviorism; believed psychology should study observable behavior.

Skinner

Developed operant conditioning; behavior shaped by rewards and punishments.

Pavlov

Discovered classical conditioning; learning through associations.

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Maslow

Created the hierarchy of needs, ending with self-actualization.

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Rogers

Humanistic psychologist; emphasized self-concept and unconditional positive regard.

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Theory

Broad explanation of phenomena.

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Hypothesis

A testable prediction.

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Correlation Coefficient

A number (-1 to +1) showing strength/direction of a relationship.

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Experiment

Research method that shows cause and effect.

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Observational Study

Watching behavior without interference.

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Archival Research

Using existing records or data.

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Central Nervous System

Brain and spinal cord.

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Sympathetic Nervous System

Fight or flight response.

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Parasympathetic Nervous System

Rest and digest response.

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Frontal Lobe

Thinking, planning, decision-making.

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Occipital Lobe

Vision.

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Cones

Detects color.

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Variable Ratio Schedule

Reward after unpredictable number of actions.

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Semantic Memory

Facts and knowledge.

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Study Notes

  • Psychoanalysis focuses on the unconscious mind, childhood experiences, and dreams, and was founded by Freud.
  • Behaviorism focuses on solely observable behavior, and was founded by Watson.
  • Operant conditioning involves shaping behavior through rewards and punishments, and was developed by Skinner.
  • Classical conditioning involves learning through associations, exemplified by Pavlov's experiments.
  • Maslow's hierarchy of needs culminates in self-actualization.
  • Rogers' humanism emphasizes self-concept and unconditional positive regard.
  • Ways of knowing include authority, intuition, logic, and empiricism.
  • A theory is a broad explanation, while a hypothesis is a testable prediction.
  • Correlation coefficients range from -1 to +1, with values closer to 1 indicating a stronger relationship.
  • A case study involves in-depth analysis of a single individual.
  • Experiments are designed to establish cause-and-effect relationships.
  • Observational studies involve watching behavior without interference.
  • Surveys collect self-reported information from participants.
  • Archival research utilizes existing records or data.
  • Developmental designs study how people change over time.
  • Neuron dendrites receive signals.
  • The neuron soma is the cell body and keeps the neuron healthy.
  • The neuron axon sends signals.
  • The myelin sheath speeds up neural signals.
  • The synapse is the gap where neurotransmitters pass between neurons.
  • The central nervous system comprises the brain and spinal cord.
  • The peripheral nervous system includes nerves outside the brain and spinal cord.
  • The sympathetic nervous system triggers the fight-or-flight response.
  • The parasympathetic nervous system promotes the rest-and-digest response.
  • The frontal lobe is responsible for thinking, planning, and decision-making.
  • The parietal lobe handles touch and spatial awareness.
  • The occipital lobe processes vision.
  • The temporal lobe deals with hearing and language.
  • The pituitary gland, known as the master gland, controls hormones.
  • The pineal gland produces melatonin for sleep regulation.
  • Stimulants increase nervous system activity; examples include caffeine.
  • Depressants slow down the nervous system; examples include alcohol.
  • GABA is a calming neurotransmitter.
  • Serotonin regulates mood.
  • Melatonin regulates sleep.
  • Dopamine is associated with reward and pleasure.
  • Epinephrine, also known as adrenaline, is involved in the fight-or-flight response.
  • Consciousness is the awareness of self and environment.
  • Beta waves are present when awake and alert.
  • Alpha waves occur during relaxed wakefulness.
  • Theta waves appear in light sleep.
  • Delta waves are characteristic of deep sleep.
  • Sensation is the detection of stimuli from the environment.
  • Perception is the interpretation of sensory information.
  • Depth perception is the ability to judge distance.
  • Cones detect color.
  • Rods detect light and dark, functioning well in low light conditions.
  • Adaptation is becoming less sensitive to constant stimuli.
  • Observational learning involves learning by watching others; Bandura is associated with this.
  • Classical conditioning involves learning through associations; Pavlov is associated with this.
  • Operant conditioning involves learning through rewards and punishments; Skinner is associated with this.
  • A fixed ratio schedule provides a reward after a set number of actions.
  • A variable ratio schedule provides a reward after an unpredictable number of actions.
  • A fixed interval schedule provides a reward after a set time period.
  • A variable interval schedule provides a reward after unpredictable time periods.
  • Positive reinforcement involves adding something good to increase behavior.
  • Negative reinforcement involves removing something bad to increase behavior.
  • Punishment involves adding something bad or removing something good to decrease behavior.
  • Semantic memory stores facts and knowledge.
  • Episodic memory stores personal events and experiences.
  • Encoding is the process of getting information into memory.
  • Storage is the process of keeping information over time.
  • Retrieval is the process of getting information out of memory.

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