Fig. 4From: Damage function for historic paper. Part I: Fitness for useFrequency analysis of responses (FfU fitness for use), where each document represents one response (i.e. 17 per participant), per scenario. The ratings were 1 ‘Excellent’, 2 ‘Good’, 3 ‘Quite good’/‘Reasonably good’, 4 ‘Not good’, 5 ‘Unfit’Back to article page