Erikson, Piaget & Psychology Theories & Concepts Explained

Havighurst’s Developmental Tasks: Life Stages & Teachable Moments

Why does a 16-year-old suddenly care about the career quiz that bored them at 12? Robert Havighurst would say the task arrived. Havighurst developmental tasks are the skills, attitudes and roles people are expected to master at certain points in life, from learning to walk to adjusting to retirement. Each task shows up when the body, society and the person...

Robbers Cave Experiment Summary: The Part Sherif Left Out

In the summer of 1954, 22 eleven-year-old boys arrived at a camp in the Oklahoma hills expecting swimming, hiking, and campfires. Their friendly counselors were actually psychologists, quietly taking notes. Within days, the boys were burning flags and planning raids on each other’s cabins. The Robbers Cave experiment went on to become one of the most retold studies in social...

Independent vs Dependent Variables: How to Spot Them in Real Psychology Studies

You are halfway through a psychology exam, and the question describes a study where children watch an adult attack an inflatable doll and are then left alone with it. Which part did the researcher control, and which part was simply counted? Independent and dependent variables in psychology sound easy until a study summary scrambles the wording. Five famous experiments, a...

Theories of Emotion: James-Lange vs Cannon-Bard vs Schachter-Singer

A car swerves toward you in a parking lot. Before you’ve even processed what happened, your heart is hammering, your hands are shaking, and you’re scared. So which came first: the pounding heart or the fear? For more than a century, theories of emotion have answered that question in surprisingly different ways, and the answer that feels most obvious is...

Little Albert Experiment Summary: What Textbooks Get Wrong

Picture a calm baby happily reaching for a white rat. A few weeks later, the same baby bursts into tears at a rabbit, a fur coat, and a Santa Claus mask. Nothing about the animals changed. What changed was a hammer striking a steel bar right behind his head. That scene is the Little Albert experiment summary in a nutshell,...

Bronfenbrenner’s Ecological Systems Theory: 4 Systems or 5?

Two students sit in the same classroom with the same teacher and the same homework. One thrives. The other falls apart by midterm. A personality quiz won’t explain the gap, but Bronfenbrenner’s ecological systems theory usually can. Bronfenbrenner argued that development happens inside layers of environment, from a child’s kitchen table to the culture they grow up in, and that...