an SD signals availability while an MO alters…

a vending machine is an SD for inserting money; hunger is the…

unlike SDs, MOs do not…

taking advantage of naturally occurring motivation involves…

the biological condition that decreases food's effectiveness as a reinforcer is…

NCR reduces problem behavior by functioning as an…

an MO whose effects are learned through experience is a…

function-altering effects occur when behavior…

a CMO-T establishes the value of…

withholding a needed item during a task functions as a…

a stimulus that acquires motivating effects through pairing with another MO is a…

unconditioned motivating operations are based on…

each UMO is associated with both…

motivating operations alter both reinforcer effectiveness and…

an MO that increases the value of a reinforcer is an…

a warning stimulus that increases the value of escape or avoidance is a…

function-altering effects of consequences change…

an antecedent variable that alters reinforcer value and current behavior frequency is a…

the two effects of an MO are the value-altering effect and the…

arranging conditions to create an EO for teaching purposes involves…