Convergent control
When a single verbal behavior response has multiple sources of antecedent control (e.g., and MO and a verbal SD or a nonverbal SD and a verbal SD, etc.)
B.20 Identify the role of multiple control in verbal behavior.
Dana Do’s: Convergent vs. Divergent Control in Verbal Behavior Explained
Struggling with convergent and divergent control in verbal behavior? PTB founder Dana Meller explains how multiple control works with simple, relatable examples to help you master these tricky concepts.
Dana Do’s: Convergent vs. Divergent Control in Verbal Behavior Explained Read More
Divergent control
When one antecedent variable affects the strength of many verbal behavior responses (e.g., the word “car’, can evoke many different responses such as, “drive”, “speed”, “transportation”, “traffic”, etc.).
Impure mand
A mand response that has multiple sources of antecedent control (e.g., an MO and a verbal SD, or an MO, a nonverbal SD, and a verbal SD, etc.).
Impure tact
A tact response that has multiple sources of antecedent control (e.g., a verbal and nonverbal SD, etc.).
Pure tact
A tact response that is exclusively controlled by a nonverbal SD and no other antecedent stimuli.
Pure verbal behavior
A verbal behavior that has one source of antecedent control (e.g., a mand that is only controlled by an MO or a tact that is only controlled by a nonverbal