Figure 1

Item hierarchy for the SOC sub-dimensions: A) Meaningfulness (items: Q4, Q7R and Q12), B) Comprehensibility (items: Q6, Q8, Q2R, Q9 and Q11R), and C) Manageability (items: Q13, Q5, Q10R and Q3R). Note: Each "#" = 2 people, each "." = 1 person. R = items that are reverse-coded.