You are working in a bakery. The first thing you and your coworker do each morning is make all the dough for the breads so it can rise. Your coworker measures out all the ingredients and hands them to you two feet away at the industrial mixer. You operate the mixer. When the mixer is running, you ask your coworker for the next ingredient, but they do not hear you. You raise your voice, but they still do not hear. You end up having to shut off the mixer for them to hear you. What can we say about the sound level in this workspace? 

Consider signal detection theory. A very high value of sensitivity (d’) indicates that the signal and noise curves are: 

Which of the following type of acoustic information is considered “wanted” information? 

Danielle works at a manufacturing facility. Their job is to inspect product components for defects. The facility has been having quality control issues and sending parts with defects to retail partners and the stores have been complaining. To reduce how many defects make it out of the facility, the supervisor tells Danielle that for every defect that makes it past their inspection they will receive a pay cut of $2.00/defect. How does this incentive impact Danielle’s response bias? 

In human information processing, what happens in the sensation stage?

When creating a task hierarchy diagram…(see figure below)

A designer has created a statistical computing program. It is compatible with several different operating systems and has progressive levels of use, meaning that users can start by clicking through menu options and progress to using keyboard shortcuts as they become more proficient. The program has a walkthrough tutorial as well as links to help videos on the product website. It also has pop ups that users can disable that explain the statistical concepts and terms used. What type of user has this designer considered when creating this product? 

When conducting a cost benefit analysis to justify a human factors analysis, which of the following would be a good justification focus? 

We discussed several types of analyses that are important when we are designing or redesigning a product/system. Analyzing whether the system is going to place excessive mental or physical demands on the user tends to happen in what type of analysis? 

Which of the following is true of automaticity and highly automated tasks (that humans perform)?