Educational Psychology / Unit 2 EDP 0120 short lesson, about 20 seconds
The Experiment
Captions available
The idea
An experiment tests a specific hypothesis: an experimental group receives the manipulation, a control group does not, and both are otherwise treated the same.
In practice
One class practices with flashcards, another reviews as usual, and both take the same quiz.
Where people slip
Each variable needs an operational definition, stating exactly how it is measured, such as what counts as a correct answer.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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