Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to effectively observe a usability test [title] Follow your script. [substeps] Do not deviate from this. Otherwise you run the risk of interjecting your opinion into the test.

Ending1: [title] Watch the body language as the subject interacts with their task. [substeps] Are they following the instructions word for word? Do they look confused? Are there any hesitations before or after completing a step? [title] Ask the participant to say out loud what they are thinking. Ending2: ( if you get asked anyway, relax. ) that said, avoidance of your cover letter is always easier said then done. Ending3: Discussing what you prefer in a potentially offensive situation can result in your teacher using inappropriate or inaccurate information about you. Instead of getting upset, simply establish yourself as a knowledgeable, sound student who has a valid core belief and a wise idea about your reasoning. Ending4: Have a script in place, where you can remember to return to your script to confirm your thought. The script should include three lines that are commonly used in a given situation.

Answer format: ending1/ending2/ending3/ending4