Task 4: Commenting on the 5 Whys technique, likely active failures and determining the likely consequences of concluding human error as the root cause 4 (a) Comment on the application of the ' 5 Whys' technique. (14) Note: You should support your answer, where applicable, using supporting document 1 and relevant information from the scenario. (b) You explain to the board of directors that the accident has not resulted from a single cause, but instead from a combination of failures. Comment on the likely active failures that led to the fall from height accident. (10) Note: You should support your answer, where applicable, using relevant information from the scenario. (c) What are the likely consequences of concluding that human error is the root cause of the accident? (6) Task 5: Determining what may have affected worker B's hazard perception and discussing what ECL could do to reduce risk-taking behaviour 5 (a) What may have affected how worker B perceived the hazards of working on the roof joists? (11) Note: You should support your answer, where applicable, using relevant information from the scenario. (b) Discuss what ECL could do to help reduce risk-taking behaviour in their workforce. (8)