A(n) __________ is the average time it takes to produce a syllable, as set by the speaking rate of the last turn.

_________, or the spontaneous speech people use as they engage in joint activities, is the main function of language, far outweighing all other forms of discourse.

Fill in the blank(s) with the appropriate word(s).

BST procedures are valuable when the learner cannot benefit from being told what to do or from observing the correct behavior

a. True b. False Indicate whether the statement is true or false