Erikson, Piaget & Psychology Theories & Concepts Explained

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...

Theory of Mind Development: Why Kids Fail Sally-Anne at 3

A three-year-old watches a puppet hide a marble, then confidently predicts the puppet will search wherever the marble really is. Two years later, the same child gets it right and may even laugh at the puppet’s mistake. That leap is the heart of theory of mind development, and psychologists have spent decades mapping what changes in between. The path runs...

ABC Model of Attitude: Why Feelings, Actions and Beliefs Clash

You know exercise is good for you. You even like how it feels afterward. Yet your running shoes have been sitting by the door since March. The ABC model of attitude explains this kind of mismatch: it treats every attitude as three separate parts instead of one single opinion, and those parts do not always point the same way. That...