​In the ____________________ Method of Baseline Assessment,the Initial Discriminative Stimulus

Multiple Choice

​In the ____________________ method of baseline assessment,the initial discriminative stimulus is presented and the learner's ability to complete the chain is assessed,and in the ___________________ method the learner's ability to complete each individual component in the chain is assessed.

A) ​single-opportunity;multiple-opportunity
B) ​multiple-opportunity;single-opportunity
C) ​primary;secondary
D) ​first-order;higher-order