Analysis of discriminative control by social behavioral stimuli.

Hake et al. (1983) worked with lab rats.

They asked: can one rat’s movements act like a green light that tells the second rat when to press?

The team set up two cages side by side.

A “demonstrator” rat earned food by poking its nose into one of two holes.

An “observer” rat had to press the left or right lever that matched the demonstrator’s choice.

Correct presses paid food.

The scientists then blocked sight, sound, or both to see which cue mattered.

Observer rats quickly learned to copy.

They hit the matching lever about 85 percent of the time.

When the team covered the window, scores dropped.

When they turned off sound, scores dropped a little.

Both cues together gave the strongest control, but the social cue alone was weaker and shakier than usual light-or-tone signals.

Lyons (1995) tutorial says weak control happens when stimuli are not very different or not very bright.

The rat-body cue is fuzzy, so the weak control fits that rule.

Neuringer (1973) showed pigeons learn poorly with “present vs absent” training.

F et al. used a similar setup—one movement versus nothing—so the shaky control repeats that pattern.

Lancioni et al. (2006) also saw animals latch onto side clues instead of the main picture.

Together these papers warn us: always test which exact feature the learner is really watching.

If you want students to follow a peer model, make the key action big and clear.

Add extra cues—sound or color—at first, then fade them.

Probe often by blocking one sense at a time; this tells you which cue is actually driving the behavior.