Mabel clicks her tongue while tickling francis. eventually, francis starts to squirm and giggle every time mabel clicks her tongue, even when he is not being tickled. in this example, tongue clicking is a(n) conditioned stimulus unconditioned response conditioned response unconditioned stimulus

conditioned stimulus

Explanation:The conditioned stimulus in classical conditioning refers to the previously neutral stimulus which over time produces the same effect as the uncontioned stimulus as the person begins to associate it with the uncontioned stimulus

For example, tickling is an uncoditioned stimulus ,squirming and giggling in response to tickling is an unconditioned response, clicking of a tongue is a conditioned stimulus which yields the same response as the uncontioned stimulus.

Clicking of a tongue is a previously neutral stimulus which is over time associated with the unconditioned stimulus and because of this it bring the same feeling and a response that is now learned, the conditioned response

answer; provide for the common defense:

answer; make a no-nonsense accusation of the other;