Psychology
Classical Conditioning
Quick fact
Ivan Pavlov accidentally discovered classical conditioning while measuring dogs' salivation for digestion research, noticing they salivated before tasting food—just at the sound of a lab assistant's footsteps.
Why this is interesting
Have you ever noticed how the sound of a snack wrapper makes your pet suddenly appear? That's not coincidence—it's a form of learning called classical conditioning, and it works on humans too.