__________ is a radio listener survey company

The moment Rodrigo’s professor mentioned that the material covered next was not going to be on the final exam, Rodrigo tuned him out and pulled out his phone to text his friend instead. Which listening barrier may impede this interaction?

a. physiological barriers b. defensive listening c. conflicting objectives d. emotional listening

Kathryn is giving a talk about advances in plumbing products. She plans to show her audience a showerhead from the earliest days of indoor plumbing, a showerhead with multiple jets from the 1980s, and a rain-shower faucet from today. How is Kathryn arranging her supporting materials?

A. topically B. cause-effect C. spatially D. chronologically