The ideas that shaped modern psychology, explained clearly
Plain-language, evidence-based explainers of the foundational theories in psychology. Read what each idea actually says, where it came from, and what the research supports today.
Maslow's Hierarchy of Needs →
The five levels of human need, from survival to self-actualization, and what the evidence really says.
Sociopath vs Psychopath: What's the Difference? →
How sociopath and psychopath differ, and why neither is an official clinical diagnosis.
Operant Conditioning →
How rewards and consequences shape the behaviors we repeat, from Skinner's work.
Attachment Theory →
How early bonds with caregivers shape lifelong patterns of trust, closeness, and security.
Classical Conditioning →
Pavlov's discovery of how a neutral cue learns to trigger an automatic response.
The Little Albert Experiment →
How Watson and Rayner conditioned a baby to fear a rat, and why it still troubles psychology.
Erikson's Stages of Psychosocial Development →
The eight lifelong conflicts that shape personality, from trust to integrity.
Kohlberg's Stages of Moral Development →
The six stages of moral reasoning, from avoiding punishment to universal principles.