Farkhondeh Asadi, Shokoofeh Afkhami, Farideh Asadi
Promotion of training course on ICD-10 Poisoning coding : necessity to adopt preventive strategies
BMC medical education
word problems wps belong difficult complex problem types pupils encounter elementarylevel mathematical development classroom setting often viewed merely arithmetic tasks however recent research shows number linguistic verbal components directly related arithmetic contribute greatly difficulty review distinguish three components wp difficulty linguistic complexity problem text ii numerical complexity arithmetic problem iii relation linguistic numerical complexity problem discuss impact factors wp difficulty motivate need high degree control stimuli design experiments manipulate wp difficulty given age group