Indicate TRUE or FALSE for each question. Question 1a Increasing the font size of an instructional material is an example of task design. Question 1b Participatory design is where actual users provide feedback to designers. Question 1c There are more rods than cones receptor cells outside of the foveal region. Question 1d Rods have lower sensitivity to light than cones. Question 1e A visual alarm should be used when a message has to be presented to a worker operating noisy machinery. Question 1f Salience drives attention based on top-down processing. Question 1g Chunking reduces the capacity of working memory storage. Question 1h Normative decision models should be used when the person has unlimited time.

Question 1i When choosing between a certain gain of $50 or having a 50% chance of gaining $100, a person will most likely take the chance. Question 1j The principle of multiple resources in display design states that two pieces of visual information should be presented concurrently. Question 1k Labels based solely on icons should not be used where possible. Question 1l The Hick-Hyman law shows an increase in reaction time as the number of possible stimulus-response alternatives decreases. Question 1m A 75th percentile stature means that a quarter of that population are taller. Question 1n The popliteal height of a person is affected by slump. Question 1o In the NIOSH lifting equation, the frequency multiplier suggests that the frequency of lifting should be maximised. Question 1p During seated work, the lumbar region of the spine should be in lordosis. Question 1q Under stress, working memory is affected but not long-term memory.

Question 1r Turning into a one-way street while driving is an intentional error of commission. Question 1s Practice and overlearning reduce task performance time followed by errors. Question 1t In human-computer interaction, direct manipulation dialogue styles are not used in graphical user interfaces.