Carla Santos|Cristina Dias|Ana Cristina Garcia Dias|Cláudia Benedita dos Santos
Analysis of Flaws in Graphical Representations of Statistical Data in the Field of Occupational Safety and Health
Instituto Politécnico de Beja|Universidade Nova de Lisboa|Polytechnic Institute of Portalegre|Universidade Nova de Lisboa|Instituto Politécnico de Beja|Instituto Politécnico de Beja
relevance statistical data society imposes urgent need statistical literacy individuals need resulted reinforcement study statistics repercussions levels education particular focus training professionals whose activity involve processing statistical data area occupational safety health areas professionals involved process collecting organizing analysing reporting statistical data use various statistical methods tools outcome process allow appreciate translate reveal communicate information contained data due important contribution statistical graphs provide task organizing presenting data reports improving efficiency transmission information imperative ensure correctness adequacy representations research triggered authors concern inadequacy many graphs produced field safety health work analysed statistical graphs belonging three technical reports context safety health work focusing aspects violate guide principles construction statistical graphs purpose undertake exploratory approach investigation using qualitative methods bibliographic data collection results reveal presence numerous weaknesses graphs violating important principles govern construction statistical graphs may compromise validity usefulness graphs