Sophie Thomas, Alexandra Morrison, Georgina Morton, Pat Roberts, Vivienne Clark, Jackie Imrie
The burden of disease in metachromatic leukodystrophy: results of a caregiver survey in the UK and Republic of Ireland
Orphanet journal of rare diseases
learning trajectory describes students learning progress steps one area teaching learning linked cognitive diagnostic model cdm emerging evaluation theory education measures researchers determine students mastery finegrained knowledge points describing learning trajectory based cdm present study based trends international mathematics science study timss 2019 particularly 21 mathematical items fourth grade analyzes response data 2854 students 17 countries 10 attributes based cdm study explores students different learning trajectories content field analyzing relationships knowledge states attribute patterns study found 17 countries differ learning trajectories commonalities learning starting points 17 countries roughly divided two categories geometry attribute fractions decimals attribute last two attributes master