Norm-Referenced vs. Criterion-Referenced
Tests
Characteristic Norm-Referenced Tests Criterion-Referenced Tests
Type of InterpretationRelative(Astudent’sperformanceis
comparedtothatofallotherstudents
inpercentileterms.)
Absolute(Astudent’sperformanceis
comparedonlytotheamount,or
percentage,ofmateriallearned.)
Type of Measurement Tomeasuregenerallanguageabilities
orproficiencies
Tomeasurespecificobjectives-based
languagepoints
Purpose of Testing Tospreadstudentsoutalonga
continuumofgeneralabilitiesor
proficiencies
Toassesstheamountofmaterial
known,orlearned,byeachstudent
Distribution of ScoresNormaldistributionofscoresarounda
mean
Varies,usuallynon-normal(students
whoknowallofthematerialshouldall
score100%)
Test Structure Afewrelativelylongsubtestswitha
varietyofquestioncontents
Aseriesofshort,well-definedsubtests
withsimilarquestioncontents
Knowledge of
Questions
Studentshavelittleornoideawhat
contenttoexpectinquestions
Studentsknowexactlywhatcontent
toexpectintestquestions