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EdSurvey Direct Estimation - TIMSS scoring

Source: R/mml.scoreTIMSS.R
scoreTIMSS.Rd

Scoring TIMSS data

Usage

scoreTIMSS(edf, polyParamTab, dichotParamTab, scoreCard = NULL)

Arguments

edf

a TIMSS light.edsurvey.data.frame or edsurvey.data.frame

polyParamTab

a dataframe containing IRT parameters for all polytomous items in edf

dichotParamTab

a dataframe containing IRT parameters for all dichotomous items in edf

scoreCard

unused

Value

scored edf

Details

This function scores TIMSS data. For multiple choice items, correct answers are assigned 1 point, and incorrect answers are assigned 0 points. For constructed response items, correct answers are assigned 2 points, partially correct answers are assigned 1 point, and incorrect answers are assigned 0 points. For both types of items, "NOT REACHED" and "OMITTED OR INVALID" are assigned 0 points. these defaults can be changed by modifying the scoreDict columns pointMult and pointConst, respectively.