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Secondary School Experiences and Academic Performance of Students With Mental Retardation
NCSER 2009-3020
July 2009

Table 24.  Mean standard scores on Woodcock-Johnson III research version direct assessment subtests for students with mental retardation, overall and by parent-reported levels of cognitive functioning


  Overall High Moderate Low
Passage comprehension56645331
Synonyms/antonyms65726250
Mathematics calculation61725546
Applied problems63745845
Social studies65706257
Science67736458
NOTE: Percentages are population estimates based on weighted samples that range from approximately 30 to 480 across variables.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Special Education Research, National Longitudinal Transition Study-2 (NLTS2), student assessments, 2002 and 2004.