Robert was listening to the instructions provided by his boss. however, it was difficult to hear each step because caitlin and josh were engaged in a discussion close by. which barrier to effective listening is hindering robert's ability to listen to his boss?

The correct answer is "Physical Distraction".

The barrier that hindered Robert from listening to the instructions that his boss was giving out was known as a Physical Distraction. The Physical Distraction present in the scenario is the noise made by the discussion between his co-workers. Physical Distractions can be anything that causing the inability to listen or to see things clearly.