Which of the following is an objective measure of pilot workload?
a. ratings of effort given during flight
b. heart rate measured during flight
c. responses on a questionnaire given following a flight
d. verbal reports of difficult flying situations
Question 2
If a frequency distribution is shown in a bar graph, what scale was used to measure the scores?
a. nominal only
b. nominal or ordinal
c. ratio only
d. interval or ratio
