You are working as an ergonomist, and are wondering whether a seated workstation is worse than a standing workstation in an office setting. You decide to conduct a field experiment to compare the two types of workstations, and to test whether or not standing workstations are beneficial (compared to seated workstations).  a) If you were conducting this field experiment, what would be your dependent variable? b) What would be your independent variable? c) What would be one confounding variable that you should control for in your experiment?

2.2 Provide a word from point number 3, that means the same as ‘personal’ or ‘exclusive’. (1)

In your own words, define human factors engineering. 

A retail store clerk has been working for 3 years. He is proficient at using the point of sale (cash register) system at the store.  With a recent promotion to supervisor, he now works with the inventory control system as well.  He did not receive training on the inventory control system, but was able to use it easily, since it is very similar to the point of sale system.  Which of the following best describes they type of transfer of training he experienced?

Which of the following is not a part of situation awareness?

An engineer is studying the effects of three training class level on time to complete a task. Training class has three levels: beginner, intermediate, and advanced.  Based on the SPSS output, what can you conclude about training class?    

Sophia, a human factors engineer, is designing a field experiment.  Based on her past experience working in manufacturing industries, she hypothesizes that mandatory stretch breaks improve employee morale.  What should Sophia use as her independent variable? Should her independent variable be within subjects or between subjects?  Why?

An engineer is studying the effects of three training class level on time to complete a task. Training class has three levels: beginner, intermediate, and advanced.  Based on the SPSS output, what can you conclude about training class?    

Snellen eye charts are used to measure visual acuity. 

One benefit of a laboratory experiment over a field experiment is the ability to ensure real-world relevance.