Early Conditioning Theorists' Expectations May Be Characterized by Which of the Following

Multiple Choice

Early conditioning theorists' expectations may be characterized by which of the following?

A) Expectations regarding wide applicability of their theories have been confirmed.
B) Research has demonstrated that all operant behavior may be conditioned.
C) Research has demonstrated that all respondent behavior may be conditioned.
D) Expectations regarding applicability of the theories have not been confirmed.