Utveckling av den aritmetiska förmågan för skolbarn i årskurs 4 – 6 : Normering av test som mäter delar av den aritmetiska förmågan samt undersökning av könsskillnader

Sammanfattning: Dyscalculia means that the individual has difficulties in acquiring arithmetic skills (i.e. addition, subtraction, division and multiplication). Even though dyscalculia affects 1.3- 10.3% of the population there is no national guidelines how dyscalculia should be investigated (SLL, 2015). The aim of this study is to standardize two tests and identify and compare any differences between genders and ages. The study includes 128 participants between school years 4-6 in central Sweden. To be included in this study the participants should have Swedish as their native language, fulfilled the tests and written informed consent from the caregivers. In this study two tests that measure parts of arithmetic ability were used; “Written multidigit calculation” and “Arithmetic fluency”. To standardize the tests descriptive statistics was made. Analysis of variance was computed to compare potential differences between gender and grades. Sidak Post hoc test was made to analyze the differences between grades. The results of the study were that school year 4 performed lower than school year 5 and 6 (p = < .05). Further we found that girls performed lower than boys on the test “Arithmetic fluency - subtraction” (p = .01). No differences between genders were found on the other tests.