single-component vs multi-component treatment of dyslexia

Raw data with pre-intervention and post-intervention reading and reading-related scores of two groups of children, treated with single-component (VHSS or AVG) versus multi-component treatment (VHSS + AVG)..

All  variables starting with "a" refer to pre-test, all scores starting with "b" refer to post-test, all variables starting with "d" are difference-scores (post-test minus pre-test)