Final answer:
Kindra has demonstrated stimulus generalization by associating fear with multiple items similar to her originally feared object, a phenomenon well-known in classical conditioning.
Step-by-step explanation:
Kindra, who has associated multiple items to her originally feared object, is an example of stimulus generalization. This occurs in classical conditioning when a conditioned response starts occurring in response to the presentation of other, similar stimuli, not just the conditioned stimulus. For example, if a person is conditioned to fear a white rat and then begins to feel similar fear towards objects that are fuzzy or white, it illustrates how the fear has generalized beyond the original object to include a wider range of stimuli.