Antecedents

Question 1

Discriminative Stimulus (SD)

Answer 1

Correlates with the availability of a reinforcer

Question 2

Motivating Operation (MO)

Answer 2

Alters the value of a reinforcer/the likelihood of a behavior occurring

Question 3

Antecedent

Answer 3

Happens before/leads up to a behavior or event

Question 4

Find the antecedent in this ABC data:

“While working on toothbrushing goal in the client’s bathroom, 1. BT tells client “scrub your tongue”. 2. Client then throws toothbrush into bathtub across the room and yells “no!”. 3. BT uses a partial physical prompt to lead the client to the bathtub and tells the client to “pick up”. Client picks up toothbrush and scrubs his tongue.

Answer 4

1. BT tells client “scrub your tongue”