Indicate in your answer book whether each statement is TRUE or FALSE. Each question carries ONE (1) mark. Answer all questions.

Question 1-14 50th percentile shoulder width means half of that population have broader shoulders. Question 1-15 In the NIOSH lifting equation, the distance multiplier (DM) is based on the vertical distance of the load from the ground when lifted. Question 1-16 In mental workload measurement, increasing levels of difficulty on the primary task will yield a consistent level of performance on the secondary task. Question 1-17 As the level of arousal increases at the beginning of a task, performance also increases.