Timberlake's Solution to the Finding That Chicks Would "Snuggle" a Key

Multiple Choice

Timberlake's solution to the finding that chicks would "snuggle" a key light that is correlated with the activation of a heat lamp was that:

A) "Snuggling" was a form of adjunctive behavior
B) "Snuggling" is a form of stimulus substitution
C) "Snuggling" is a schedule-induced behavior
D) "Snuggling" is part of a larger behavior system