Roughly one-half of all North American adults become stepparents, adoptive parents, or foster parents

Extinction is believed to be a form of _____________

A) learning B) forgetting C) operant conditioning D) generalization

As a baby, Simone was able to recognize by sight a screwdriver that she had previously only touched but had not seen. This ability is referred to as

a. bi-modal transference. c. underextension. b. underextension.. d. cross-modal transference.